Light rain
Feels like 12°C
Wind direction southwest
Gusts 29 km/h
Humidity 93%
Cloud cover 100%
Pressure 1011 hPa
Now · 5:19 AM
Harwell Weather & Hourly Forecast
United Kingdom · England · OX11 0DP
14°C
Light rain
Feels like: 12°C
💧 Humidity 93%
🌡 Pressure 1011 hPa
💨 Wind 16 km/h
👁 Visibility 4.6 km
☁ Clouds 100%
☀️ UV index 0.0 · Low
🌅 Sunrise —
🌇 Sunset —
Hourly Forecast for Harwell
Today
Light rain
Light rain
Feels like 13°C
Wind direction southwest
Gusts 26 km/h
Humidity 95%
Cloud cover 100%
Pressure 1009 hPa
Light rain
Feels like 13°C
Wind direction west
Gusts 27 km/h
Humidity 92%
Cloud cover 100%
Pressure 1009 hPa
Sunny
Feels like 13°C
Wind direction west
Gusts 28 km/h
Humidity 66%
Cloud cover 5%
Pressure 1008 hPa
Mostly cloudy
Feels like 13°C
Wind direction northwest
Gusts 49 km/h
Humidity 48%
Cloud cover 66%
Pressure 1008 hPa
Clear night
Feels like 10°C
Wind direction west
Gusts 34 km/h
Humidity 69%
Cloud cover 2%
Pressure 1011 hPa
Tomorrow
Clear night
Feels like 9°C
Wind direction west
Gusts 34 km/h
Humidity 80%
Cloud cover 2%
Pressure 1012 hPa
Clear night
Feels like 8°C
Wind direction west
Gusts 32 km/h
Humidity 86%
Cloud cover 1%
Pressure 1014 hPa
Clear night
Feels like 7°C
Wind direction west
Gusts 28 km/h
Humidity 90%
Cloud cover 8%
Pressure 1015 hPa
Mostly sunny
Feels like 10°C
Wind direction west
Gusts 33 km/h
Humidity 74%
Cloud cover 13%
Pressure 1017 hPa
Overcast
Feels like 13°C
Wind direction northwest
Gusts 38 km/h
Humidity 57%
Cloud cover 100%
Pressure 1018 hPa
Overcast
Feels like 16°C
Wind direction northwest
Gusts 27 km/h
Humidity 50%
Cloud cover 99%
Pressure 1018 hPa
Sunny
Feels like 16°C
Wind direction northwest
Gusts 22 km/h
Humidity 51%
Cloud cover 5%
Pressure 1018 hPa
Mostly cloudy night
Feels like 13°C
Wind direction southwest
Gusts 13 km/h
Humidity 70%
Cloud cover 85%
Pressure 1019 hPa
Thursday
Overcast night
Feels like 11°C
Wind direction west
Gusts 20 km/h
Humidity 82%
Cloud cover 99%
Pressure 1019 hPa
Mostly cloudy night
Feels like 10°C
Wind direction west
Gusts 10 km/h
Humidity 90%
Cloud cover 78%
Pressure 1019 hPa
Today
Light rain
Feels like 12°C
Wind direction southwestGusts 29 km/h
Humidity 93%Cloud cover 100%Pressure 1011 hPa
Light rain
Feels like 12°C
Wind direction southwestGusts 29 km/h
Humidity 93%Cloud cover 100%Pressure 1010 hPa
Light rain
Feels like 12°C
Wind direction southwestGusts 27 km/h
Humidity 95%Cloud cover 100%Pressure 1010 hPa
Light rain
Feels like 13°C
Wind direction southwestGusts 26 km/h
Humidity 95%Cloud cover 100%Pressure 1009 hPa
Light rain
Feels like 13°C
Wind direction southwestGusts 26 km/h
Humidity 94%Cloud cover 100%Pressure 1009 hPa
Light rain
Feels like 14°C
Wind direction southwestGusts 25 km/h
Humidity 92%Cloud cover 100%Pressure 1009 hPa
Light rain
Feels like 13°C
Wind direction westGusts 27 km/h
Humidity 92%Cloud cover 100%Pressure 1009 hPa
Light rain
Feels like 13°C
Wind direction westGusts 26 km/h
Humidity 87%Cloud cover 100%Pressure 1008 hPa
Light rain
Feels like 13°C
Wind direction westGusts 24 km/h
Humidity 86%Cloud cover 68%Pressure 1008 hPa
Sunny
Feels like 13°C
Wind direction westGusts 28 km/h
Humidity 66%Cloud cover 5%Pressure 1008 hPa
Sunny
Feels like 15°C
Wind direction westGusts 35 km/h
Humidity 59%Cloud cover 7%Pressure 1008 hPa
Mostly sunny
Feels like 14°C
Wind direction westGusts 41 km/h
Humidity 49%Cloud cover 20%Pressure 1008 hPa
Mostly cloudy
Feels like 13°C
Wind direction northwestGusts 49 km/h
Humidity 48%Cloud cover 66%Pressure 1008 hPa
Sunny
Feels like 12°C
Wind direction northwestGusts 40 km/h
Humidity 55%Cloud cover 4%Pressure 1009 hPa
Clear night
Feels like 11°C
Wind direction westGusts 38 km/h
Humidity 64%Cloud cover 3%Pressure 1010 hPa
Clear night
Feels like 10°C
Wind direction westGusts 34 km/h
Humidity 69%Cloud cover 2%Pressure 1011 hPa
Clear night
Feels like 10°C
Wind direction westGusts 34 km/h
Humidity 75%Cloud cover 2%Pressure 1011 hPa
Clear night
Feels like 9°C
Wind direction westGusts 34 km/h
Humidity 78%Cloud cover 1%Pressure 1012 hPa
Tomorrow
Clear night
Feels like 9°C
Wind direction westGusts 34 km/h
Humidity 80%Cloud cover 2%Pressure 1012 hPa
Clear night
Feels like 9°C
Wind direction westGusts 34 km/h
Humidity 82%Cloud cover 2%Pressure 1013 hPa
Clear night
Feels like 9°C
Wind direction westGusts 33 km/h
Humidity 84%Cloud cover 2%Pressure 1013 hPa
Clear night
Feels like 8°C
Wind direction westGusts 32 km/h
Humidity 86%Cloud cover 1%Pressure 1014 hPa
Clear night
Feels like 8°C
Wind direction westGusts 30 km/h
Humidity 88%Cloud cover 1%Pressure 1014 hPa
Clear night
Feels like 8°C
Wind direction westGusts 30 km/h
Humidity 89%Cloud cover 1%Pressure 1014 hPa
Clear night
Feels like 7°C
Wind direction westGusts 28 km/h
Humidity 90%Cloud cover 8%Pressure 1015 hPa
Mostly sunny
Feels like 7°C
Wind direction westGusts 28 km/h
Humidity 89%Cloud cover 13%Pressure 1015 hPa
Mostly sunny
Feels like 8°C
Wind direction westGusts 33 km/h
Humidity 79%Cloud cover 14%Pressure 1016 hPa
Mostly sunny
Feels like 10°C
Wind direction westGusts 33 km/h
Humidity 74%Cloud cover 13%Pressure 1017 hPa
Partly cloudy
Feels like 11°C
Wind direction northwestGusts 39 km/h
Humidity 68%Cloud cover 48%Pressure 1017 hPa
Mostly cloudy
Feels like 12°C
Wind direction northwestGusts 39 km/h
Humidity 62%Cloud cover 91%Pressure 1017 hPa
Overcast
Feels like 13°C
Wind direction northwestGusts 38 km/h
Humidity 57%Cloud cover 100%Pressure 1018 hPa
Overcast
Feels like 14°C
Wind direction northwestGusts 36 km/h
Humidity 55%Cloud cover 100%Pressure 1018 hPa
Overcast
Feels like 15°C
Wind direction northwestGusts 31 km/h
Humidity 51%Cloud cover 97%Pressure 1018 hPa
Overcast
Feels like 16°C
Wind direction northwestGusts 27 km/h
Humidity 50%Cloud cover 99%Pressure 1018 hPa
Overcast
Feels like 16°C
Wind direction northwestGusts 27 km/h
Humidity 49%Cloud cover 100%Pressure 1018 hPa
Mostly cloudy
Feels like 16°C
Wind direction northwestGusts 26 km/h
Humidity 51%Cloud cover 94%Pressure 1018 hPa
Sunny
Feels like 16°C
Wind direction northwestGusts 22 km/h
Humidity 51%Cloud cover 5%Pressure 1018 hPa
Sunny
Feels like 16°C
Wind direction northwestGusts 16 km/h
Humidity 65%Cloud cover 9%Pressure 1018 hPa
Mostly cloudy night
Feels like 14°C
Wind direction southwestGusts 4 km/h
Humidity 68%Cloud cover 67%Pressure 1018 hPa
Mostly cloudy night
Feels like 13°C
Wind direction southwestGusts 13 km/h
Humidity 70%Cloud cover 85%Pressure 1019 hPa
Overcast night
Feels like 12°C
Wind direction westGusts 21 km/h
Humidity 72%Cloud cover 98%Pressure 1019 hPa
Overcast night
Feels like 11°C
Wind direction westGusts 21 km/h
Humidity 78%Cloud cover 100%Pressure 1019 hPa
Thursday
Overcast night
Feels like 11°C
Wind direction westGusts 20 km/h
Humidity 82%Cloud cover 99%Pressure 1019 hPa
Overcast night
Feels like 11°C
Wind direction westGusts 17 km/h
Humidity 83%Cloud cover 100%Pressure 1019 hPa
Overcast night
Feels like 11°C
Wind direction westGusts 13 km/h
Humidity 85%Cloud cover 99%Pressure 1019 hPa
Mostly cloudy night
Feels like 10°C
Wind direction westGusts 10 km/h
Humidity 90%Cloud cover 78%Pressure 1019 hPa
Overcast night
Feels like 9°C
Wind direction westGusts 9 km/h
Humidity 94%Cloud cover 100%Pressure 1018 hPa
Overcast night
Feels like 8°C
Wind direction southwestGusts 13 km/h
Humidity 94%Cloud cover 98%Pressure 1018 hPa
Overcast night
Feels like 8°C
Wind direction southwestGusts 13 km/h
Humidity 94%Cloud cover 98%Pressure 1018 hPa
Mostly cloudy
Feels like 8°C
Wind direction southwestGusts 12 km/h
Humidity 94%Cloud cover 86%Pressure 1018 hPa
Overcast
Feels like 9°C
Wind direction southwestGusts 15 km/h
Humidity 89%Cloud cover 95%Pressure 1018 hPa
Mostly cloudy
Feels like 12°C
Wind direction southwestGusts 16 km/h
Humidity 81%Cloud cover 77%Pressure 1018 hPa
Mostly cloudy
Feels like 13°C
Wind direction southwestGusts 21 km/h
Humidity 71%Cloud cover 79%Pressure 1018 hPa
Mostly cloudy
Feels like 14°C
Wind direction southwestGusts 24 km/h
Humidity 59%Cloud cover 88%Pressure 1018 hPa
Partly cloudy
Feels like 15°C
Wind direction southwestGusts 28 km/h
Humidity 51%Cloud cover 54%Pressure 1018 hPa
Overcast
Feels like 15°C
Wind direction southwestGusts 32 km/h
Humidity 50%Cloud cover 100%Pressure 1018 hPa
Overcast night
Feels like 11°C
Wind direction southwestGusts 43 km/h
Humidity 94%Cloud cover 100%Pressure 1013 hPa
Friday
Mostly clear night
Feels like 14°C
Wind direction southwestGusts 26 km/h
Humidity 96%Cloud cover 35%Pressure 1013 hPa
Mostly clear night
Feels like 13°C
Wind direction westGusts 27 km/h
Humidity 95%Cloud cover 23%Pressure 1013 hPa
Sunny
Feels like 12°C
Wind direction westGusts 23 km/h
Humidity 96%Cloud cover 1%Pressure 1015 hPa
Partly cloudy
Feels like 14°C
Wind direction northwestGusts 32 km/h
Humidity 75%Cloud cover 42%Pressure 1018 hPa
Partly cloudy
Feels like 16°C
Wind direction northwestGusts 31 km/h
Humidity 63%Cloud cover 54%Pressure 1020 hPa
Overcast
Feels like 18°C
Wind direction northwestGusts 30 km/h
Humidity 54%Cloud cover 100%Pressure 1020 hPa
Mostly cloudy
Feels like 17°C
Wind direction northwestGusts 26 km/h
Humidity 60%Cloud cover 90%Pressure 1022 hPa
Mostly clear night
Feels like 12°C
Wind direction northGusts 20 km/h
Humidity 72%Cloud cover 14%Pressure 1024 hPa
Saturday
Partly cloudy night
Feels like 10°C
Wind direction northGusts 15 km/h
Humidity 86%Cloud cover 61%Pressure 1025 hPa
Overcast night
Feels like 9°C
Wind direction northGusts 6 km/h
Humidity 90%Cloud cover 95%Pressure 1024 hPa
Partly cloudy
Feels like 10°C
Wind direction northwestGusts 4 km/h
Humidity 92%Cloud cover 48%Pressure 1024 hPa
Mostly sunny
Feels like 15°C
Wind direction southGusts 17 km/h
Humidity 67%Cloud cover 28%Pressure 1024 hPa
Mostly cloudy
Feels like 16°C
Wind direction southwestGusts 32 km/h
Humidity 55%Cloud cover 77%Pressure 1022 hPa
Overcast
Feels like 15°C
Wind direction southwestGusts 37 km/h
Humidity 56%Cloud cover 98%Pressure 1021 hPa
Mostly cloudy
Feels like 13°C
Wind direction southwestGusts 38 km/h
Humidity 66%Cloud cover 88%Pressure 1020 hPa
Overcast night
Feels like 11°C
Wind direction southwestGusts 36 km/h
Humidity 80%Cloud cover 98%Pressure 1019 hPa
Sunday
Light rain
Feels like 12°C
Wind direction southwestGusts 40 km/h
Humidity 88%Cloud cover 100%Pressure 1017 hPa
Overcast night
Feels like 14°C
Wind direction southwestGusts 41 km/h
Humidity 91%Cloud cover 100%Pressure 1016 hPa
Partly cloudy
Feels like 14°C
Wind direction westGusts 38 km/h
Humidity 95%Cloud cover 73%Pressure 1017 hPa
Mostly sunny
Feels like 14°C
Wind direction westGusts 39 km/h
Humidity 70%Cloud cover 31%Pressure 1019 hPa
Mostly sunny
Feels like 17°C
Wind direction northwestGusts 41 km/h
Humidity 56%Cloud cover 20%Pressure 1020 hPa
Sunny
Feels like 18°C
Wind direction northwestGusts 36 km/h
Humidity 51%Cloud cover 9%Pressure 1020 hPa
Sunny
Feels like 18°C
Wind direction westGusts 30 km/h
Humidity 66%Cloud cover 5%Pressure 1021 hPa
Monday
Mostly clear night
Feels like 17°C
Wind direction westGusts —
Humidity 70%Cloud cover 36%Pressure 1019 hPa
Partly cloudy
Feels like 12°C
Wind direction westGusts —
Humidity 92%Cloud cover 54%Pressure 1020 hPa
Partly cloudy
Feels like 11°C
Wind direction southwestGusts —
Humidity 97%Cloud cover 45%Pressure 1020 hPa
Mostly cloudy
Feels like 17°C
Wind direction southwestGusts —
Humidity 59%Cloud cover 76%Pressure 1020 hPa
Tuesday
Clear night
Feels like 17°C
Wind direction southwestGusts —
Humidity 66%Cloud cover 9%Pressure 1019 hPa
Overcast
Feels like 13°C
Wind direction southwestGusts —
Humidity 93%Cloud cover 98%Pressure 1020 hPa
Partly cloudy
Feels like 14°C
Wind direction southwestGusts —
Humidity 94%Cloud cover 70%Pressure 1020 hPa
Mostly cloudy
Feels like 20°C
Wind direction northwestGusts —
Humidity 72%Cloud cover 95%Pressure 1021 hPa
Wednesday
Partly cloudy night
Feels like 20°C
Wind direction northeastGusts —
Humidity 77%Cloud cover 66%Pressure 1021 hPa
Mostly sunny
Feels like 15°C
Wind direction eastGusts —
Humidity 82%Cloud cover 33%Pressure 1021 hPa
Overcast
Feels like 14°C
Wind direction eastGusts —
Humidity 90%Cloud cover 100%Pressure 1019 hPa
Overcast
Feels like 18°C
Wind direction southeastGusts —
Humidity 70%Cloud cover 100%Pressure 1017 hPa
Thursday
Heavy rain
Feels like 16°C
Wind direction eastGusts —
Humidity 83%Cloud cover 100%Pressure 1010 hPa
Moderate rain
Feels like 14°C
Wind direction southeastGusts —
Humidity 97%Cloud cover 100%Pressure 1007 hPa
Overcast
Feels like 15°C
Wind direction southwestGusts —
Humidity 98%Cloud cover 100%Pressure 1006 hPa
Light rain
Feels like 19°C
Wind direction southwestGusts —
Humidity 67%Cloud cover 49%Pressure 1006 hPa
Friday
Overcast night
Feels like 17°C
Wind direction southGusts —
Humidity 81%Cloud cover 96%Pressure 1007 hPa
Overcast
Feels like 15°C
Wind direction southGusts —
Humidity 99%Cloud cover 100%Pressure 1010 hPa
Partly cloudy
Feels like 13°C
Wind direction southGusts —
Humidity 98%Cloud cover 73%Pressure 1012 hPa
Partly cloudy
Feels like 20°C
Wind direction southwestGusts —
Humidity 59%Cloud cover 56%Pressure 1015 hPa
Saturday
Mostly clear night
Feels like 19°C
Wind direction northwestGusts —
Humidity 72%Cloud cover 14%Pressure 1016 hPa
Partly cloudy
Feels like 13°C
Wind direction northeastGusts —
Humidity 85%Cloud cover 69%Pressure 1019 hPa
Sunny
Feels like 12°C
Wind direction northGusts —
Humidity 92%Cloud cover 0%Pressure 1021 hPa
Mostly cloudy
Feels like 23°C
Wind direction northeastGusts —
Humidity 64%Cloud cover 84%Pressure 1022 hPa
Sunday
Clear night
Feels like 22°C
Wind direction northeastGusts —
Humidity 78%Cloud cover 1%Pressure 1023 hPa
Sunny
Feels like 16°C
Wind direction northeastGusts —
Humidity 89%Cloud cover 0%Pressure 1025 hPa
Partly cloudy
Feels like 15°C
Wind direction northeastGusts —
Humidity 96%Cloud cover 55%Pressure 1026 hPa
Partly cloudy
Feels like 26°C
Wind direction eastGusts —
Humidity 67%Cloud cover 58%Pressure 1026 hPa
Monday
Mostly clear night
Feels like 25°C
Wind direction eastGusts —
Humidity 82%Cloud cover 19%Pressure 1026 hPa
Sunny
Feels like 18°C
Wind direction northeastGusts —
Humidity 94%Cloud cover 1%Pressure 1027 hPa
Sunny
Feels like 15°C
Wind direction northGusts —
Humidity 97%Cloud cover 0%Pressure 1027 hPa
Sunny
Feels like 30°C
Wind direction northeastGusts —
Humidity 63%Cloud cover 2%Pressure 1027 hPa
Tuesday
Mostly clear night
Feels like 26°C
Wind direction northeastGusts —
Humidity 79%Cloud cover 24%Pressure 1026 hPa
Sunny
Feels like 19°C
Wind direction northeastGusts —
Humidity 92%Cloud cover 0%Pressure 1026 hPa
Sunny
Feels like 14°C
Wind direction northeastGusts —
Humidity 97%Cloud cover 0%Pressure 1025 hPa
Sunny
Feels like 27°C
Wind direction northeastGusts —
Humidity 61%Cloud cover 0%Pressure 1025 hPa
In Harwell and, more broadly, across South East: The morning will start with a mix of sun and clouds, with temperatures ranging from 15 to 18 degrees Celsius. During the afternoon, the weather is expected to remain quite changeable, with a likelihood of rain that could bring around 15.5 mm of accumulation. Winds will be noticeable, coming from the northwest at up to 20 mph, with gusts reaching 27 mph. Overall, the day may feel quite breezy and damp at times, so it’s advisable to keep an umbrella handy and dress in layers to stay comfortable throughout the day.
15-Day Weather Outlook for Harwell
TomorrowTomorrow
Mostly sunny
19°/11°
💧 None
💨 19 km/h
Mostly sunny
19°/11°
💧 None
💨 19 km/h
Daytime temperature 17°C
Feels like 14°C
Humidity 70%
Pressure 1017 hPa
Cloud cover 52%
Wind direction northwest
Gusts 39 km/h
Sunrise —
Sunset —
Thursday, Sep 10Thu Sep 10
Overcast
18°/9°
💧 12 mm
💨 23 km/h
Overcast
18°/9°
💧 12 mm
💨 23 km/h
Daytime temperature 18°C
Feels like 15°C
Humidity 81%
Pressure 1018 hPa
Cloud cover 89%
Wind direction southwest
Gusts 43 km/h
Sunrise —
Sunset —
Friday, Sep 11Fri Sep 11
Partly cloudy
20°/13°
💧 0.1 mm
💨 16 km/h
Partly cloudy
20°/13°
💧 0.1 mm
💨 16 km/h
Daytime temperature 18°C
Feels like 16°C
Humidity 76%
Pressure 1018 hPa
Cloud cover 45%
Wind direction northwest
Gusts 32 km/h
Sunrise —
Sunset —
Saturday, Sep 12Sat Sep 12
Partly cloudy
19°/10°
💧 None
💨 20 km/h
Partly cloudy
19°/10°
💧 None
💨 20 km/h
Daytime temperature 19°C
Feels like 16°C
Humidity 74%
Pressure 1022 hPa
Cloud cover 74%
Wind direction southwest
Gusts 38 km/h
Sunrise —
Sunset —
Sunday, Sep 13Sun Sep 13
Light rain
21°/15°
💧 1.0 mm
💨 21 km/h
Light rain
21°/15°
💧 1.0 mm
💨 21 km/h
Daytime temperature 20°C
Feels like 17°C
Humidity 74%
Pressure 1019 hPa
Cloud cover 48%
Wind direction northwest
Gusts 41 km/h
Sunrise —
Sunset —
Monday, Sep 14Mon Sep 14
Mostly sunny
20°/13°
💧 2.6 mm
💨 19 km/h
Mostly sunny
20°/13°
💧 2.6 mm
💨 19 km/h
Daytime temperature 13°C
Feels like 11°C
Humidity 80%
Pressure 1020 hPa
Cloud cover 53%
Wind direction southwest
Gusts —
Sunrise —
Sunset —
Tuesday, Sep 15Tue Sep 15
Mostly cloudy
20°/14°
💧 0.2 mm
💨 13 km/h
Mostly cloudy
20°/14°
💧 0.2 mm
💨 13 km/h
Daytime temperature 15°C
Feels like 14°C
Humidity 81%
Pressure 1020 hPa
Cloud cover 68%
Wind direction southwest
Gusts —
Sunrise —
Sunset —
Wednesday, Sep 16Wed Sep 16
Overcast
20°/14°
💧 0.3 mm
💨 17 km/h
Overcast
20°/14°
💧 0.3 mm
💨 17 km/h
Daytime temperature 14°C
Feels like 14°C
Humidity 80%
Pressure 1020 hPa
Cloud cover 75%
Wind direction east
Gusts —
Sunrise —
Sunset —
Thursday, Sep 17Thu Sep 17
Heavy rain
20°/15°
💧 20 mm
💨 20 km/h
Heavy rain
20°/15°
💧 20 mm
💨 20 km/h
Daytime temperature 15°C
Feels like 15°C
Humidity 86%
Pressure 1007 hPa
Cloud cover 87%
Wind direction southwest
Gusts —
Sunrise —
Sunset —
Friday, Sep 18Fri Sep 18
Overcast
21°/13°
💧 0.6 mm
💨 11 km/h
Overcast
21°/13°
💧 0.6 mm
💨 11 km/h
Daytime temperature 13°C
Feels like 13°C
Humidity 84%
Pressure 1011 hPa
Cloud cover 81%
Wind direction south
Gusts —
Sunrise —
Sunset —
Saturday, Sep 19Sat Sep 19
Mostly sunny
23°/13°
💧 None
💨 13 km/h
Mostly sunny
23°/13°
💧 None
💨 13 km/h
Daytime temperature 13°C
Feels like 12°C
Humidity 78%
Pressure 1020 hPa
Cloud cover 42%
Wind direction north
Gusts —
Sunrise —
Sunset —
Sunday, Sep 20Sun Sep 20
Partly cloudy
25°/15°
💧 None
💨 10 km/h
Partly cloudy
25°/15°
💧 None
💨 10 km/h
Daytime temperature 15°C
Feels like 15°C
Humidity 82%
Pressure 1025 hPa
Cloud cover 28%
Wind direction northeast
Gusts —
Sunrise —
Sunset —
Monday, Sep 21Mon Sep 21
Mostly sunny
27°/14°
💧 None
💨 8 km/h
Mostly sunny
27°/14°
💧 None
💨 8 km/h
Daytime temperature 14°C
Feels like 15°C
Humidity 84%
Pressure 1027 hPa
Cloud cover 6%
Wind direction north
Gusts —
Sunrise —
Sunset —
Tuesday, Sep 22Tue Sep 22
Mostly sunny
26°/14°
💧 None
💨 8 km/h
Mostly sunny
26°/14°
💧 None
💨 8 km/h
Daytime temperature 14°C
Feels like 14°C
Humidity 82%
Pressure 1026 hPa
Cloud cover 6%
Wind direction northeast
Gusts —
Sunrise —
Sunset —
TEMPERATURE OUTLOOK
Temperature & Weather Trends in Harwell
AIR QUALITY FORECAST
Air Quality Forecast for Harwell
Fair
Nearest forecast value
6:00 AM
PM2.5 Fine particles Good 1,1µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 1,4µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 89,8µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 1,5µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 0,8µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 1,5µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 82,1µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 2,0µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 1,3µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 3,3µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 63,7µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 4,1µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 1,7µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 2,9µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 79,7µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 2,3µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Good
Selected time
12:00 AM
PM2.5 Fine particles Good 2,6µg/m³
Microscopic particles that can penetrate deep into the lungs. Elevated concentrations can especially affect children, older adults and people with respiratory conditions.
PM10 Particulate matter Good 4,0µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Good 47,6µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 10,6µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is favorable for outdoor activities.
UV & HEALTH
UV, Sun & Health Outlook in Harwell
Maximum daily UV
Today, tomorrow and the following day show the maximum UV index forecast for each day.
0–2 Low
3–5 Moderate
6–7 High
8–10 Very high
11+ Extreme
Today
UV 1,9Low
🙂Fair
Tomorrow
UV 3,8Moderate
🙂Fair
Thursday
UV 4,2Moderate
🙂Fair
Friday
UV 3,7Moderate
🙂Fair
Saturday
UV 5,0Moderate
😊Good
Sunday
UV 6,0High
—Unavailable
Monday
UV 6,0High
—Unavailable
Hourly UV index today
7:00 AMUV 0,0
8:00 AMUV 0,1
9:00 AMUV 0,2
10:00 AMUV 0,4
11:00 AMUV 0,3
12:00 PMUV 0,5
1:00 PMUV 0,6
2:00 PMUV 1,4
3:00 PMUV 1,9
4:00 PMUV 1,8
5:00 PMUV 1,0
6:00 PMUV 0,4
Today's weather health advice
Open today's recommendations.
Low UV risk
UV radiation will be low, although basic protection is still advisable during prolonged exposure.
Acceptable air quality
Air quality is acceptable for most people. Very sensitive people may want to reduce prolonged exertion.
Comfortable temperature conditions
Temperatures should feel comfortable for most people, with no particular heat or cold precautions needed.
Good conditions for outdoor activities
Outdoor activities can generally be enjoyed normally, with sun protection adjusted to the UV level.
WIND OUTLOOK
Hourly Wind Forecast for Harwell
Sustained wind
Max gusts
NIGHT SKY · HARWELL, ENGLAND
Tonight's Stargazing & Shooting Stars
Excellent observing conditions. Best local viewing window: 3:00 AM–4:00 AM.
99/100Best-hour score
BEST TIME TONIGHT
3:00 AM–4:00 AM
Astronomical darkness: 9:36 PM–4:30 AM
Cloud cover
1%
Real hourly forecast for the best viewing hour.
Moonlight
8%
Waning Crescent · Moon below the horizon at the best viewing hour.
Meteor activity
September ε-Perseids
Reference ZHR 8 · Radiant 66° high at the best hour.
Estimated visible meteors
2–4/hour
Local estimate after weather, moonlight and radiant-height adjustments.
Chance ≥1 meteor in 30 min78%
UPCOMING METEOR PERIODSStart, peak and end dates · weather should be checked closer to the peak.
SEP 5–SEP 21
September ε-PerseidsStart SEP 5 · Peak SEP 9 · End SEP 21 · ZHR 8 · 6% Moon at peak
ACTIVE NOW
SEP 20–NOV 20
Southern TauridsStart SEP 20 · Peak NOV 5 · End NOV 20 · ZHR 7 · 20% Moon at peak
UPCOMING
OCT 2–NOV 7
OrionidsStart OCT 2 · Peak OCT 21 · End NOV 7 · ZHR 20 · 77% Moon at peak
UPCOMING
OCT 20–DEC 10
Northern TauridsStart OCT 20 · Peak NOV 12 · End DEC 10 · ZHR 5 · 7% Moon at peak
UPCOMING
Experimental local observing estimate. Weather values come from the hourly forecast already used on this page. Moon position and astronomical darkness are calculated locally from time and coordinates. Meteor-shower ZHR describes ideal conditions and is not the number of meteors a person should expect to see locally.
DISCOVER WEATHER NEARBY Weather in other cities
Explore current conditions and forecasts for other locations.
Forecast data for Harwell were last refreshed today at 5:18 AM. The current forecast period extends through 10/09/2026 at 3:00 AM. Weather, air-quality and UV-index data are provided through WEATHER-INFO.COM. Forecasts are produced automatically from the latest available data and are subject to periodic technical checks. This service is intended for general weather information.