Overcast
Feels like 19°C
Wind direction west
Gusts 26 km/h
Humidity 63%
Cloud cover 98%
Pressure 1018 hPa
Now · 5:09 PM
Merton Weather & Hourly Forecast
United Kingdom · England · EX20 3DE
19°C
Overcast
Feels like: 19°C
💧 Humidity 63%
🌡 Pressure 1018 hPa
💨 Wind 22 km/h
👁 Visibility 10.0 km
☁ Clouds 98%
☀️ UV index 1.0 · Low
🌅 Sunrise 6:28 AM
🌇 Sunset 8:05 PM
Hourly Forecast for Merton
Today
Overcast
Overcast night
Feels like 17°C
Wind direction west
Gusts 25 km/h
Humidity 73%
Cloud cover 100%
Pressure 1020 hPa
Tomorrow
Overcast night
Feels like 14°C
Wind direction southwest
Gusts 10 km/h
Humidity 88%
Cloud cover 99%
Pressure 1021 hPa
Mostly cloudy night
Feels like 14°C
Wind direction southwest
Gusts 10 km/h
Humidity 94%
Cloud cover 58%
Pressure 1021 hPa
Mostly cloudy night
Feels like 12°C
Wind direction south
Gusts 9 km/h
Humidity 95%
Cloud cover 80%
Pressure 1021 hPa
Overcast
Feels like 16°C
Wind direction southwest
Gusts 16 km/h
Humidity 81%
Cloud cover 98%
Pressure 1021 hPa
Overcast
Feels like 19°C
Wind direction west
Gusts 18 km/h
Humidity 50%
Cloud cover 87%
Pressure 1021 hPa
Overcast
Feels like 19°C
Wind direction west
Gusts 21 km/h
Humidity 51%
Cloud cover 97%
Pressure 1021 hPa
Overcast
Feels like 18°C
Wind direction west
Gusts 24 km/h
Humidity 59%
Cloud cover 99%
Pressure 1021 hPa
Overcast night
Feels like 13°C
Wind direction southwest
Gusts 12 km/h
Humidity 93%
Cloud cover 95%
Pressure 1021 hPa
Wednesday
Overcast night
Feels like 13°C
Wind direction southwest
Gusts 14 km/h
Humidity 95%
Cloud cover 99%
Pressure 1022 hPa
Overcast night
Feels like 13°C
Wind direction south
Gusts 25 km/h
Humidity 93%
Cloud cover 86%
Pressure 1021 hPa
Overcast night
Feels like 13°C
Wind direction south
Gusts 23 km/h
Humidity 94%
Cloud cover 94%
Pressure 1020 hPa
Overcast
Feels like 16°C
Wind direction south
Gusts 28 km/h
Humidity 75%
Cloud cover 100%
Pressure 1020 hPa
Overcast
Feels like 18°C
Wind direction southwest
Gusts 33 km/h
Humidity 71%
Cloud cover 100%
Pressure 1021 hPa
Light rain
Feels like 20°C
Wind direction southwest
Gusts 36 km/h
Humidity 78%
Cloud cover 100%
Pressure 1020 hPa
Today
Overcast
Feels like 19°C
Wind direction westGusts 26 km/h
Humidity 63%Cloud cover 98%Pressure 1018 hPa
Overcast
Feels like 18°C
Wind direction westGusts 26 km/h
Humidity 65%Cloud cover 98%Pressure 1018 hPa
Overcast
Feels like 17°C
Wind direction westGusts 29 km/h
Humidity 67%Cloud cover 99%Pressure 1019 hPa
Overcast night
Feels like 17°C
Wind direction westGusts 25 km/h
Humidity 73%Cloud cover 100%Pressure 1020 hPa
Overcast night
Feels like 15°C
Wind direction westGusts 16 km/h
Humidity 79%Cloud cover 100%Pressure 1021 hPa
Overcast night
Feels like 14°C
Wind direction westGusts 10 km/h
Humidity 87%Cloud cover 100%Pressure 1021 hPa
Tomorrow
Overcast night
Feels like 14°C
Wind direction southwestGusts 10 km/h
Humidity 88%Cloud cover 99%Pressure 1021 hPa
Overcast night
Feels like 14°C
Wind direction southwestGusts 10 km/h
Humidity 92%Cloud cover 94%Pressure 1021 hPa
Partly cloudy night
Feels like 14°C
Wind direction southwestGusts 10 km/h
Humidity 93%Cloud cover 40%Pressure 1021 hPa
Mostly cloudy night
Feels like 14°C
Wind direction southwestGusts 10 km/h
Humidity 94%Cloud cover 58%Pressure 1021 hPa
Mostly cloudy night
Feels like 12°C
Wind direction southwestGusts 10 km/h
Humidity 95%Cloud cover 67%Pressure 1021 hPa
Mostly cloudy night
Feels like 12°C
Wind direction southGusts 10 km/h
Humidity 95%Cloud cover 76%Pressure 1021 hPa
Mostly cloudy night
Feels like 12°C
Wind direction southGusts 9 km/h
Humidity 95%Cloud cover 80%Pressure 1021 hPa
Mostly cloudy
Feels like 13°C
Wind direction southGusts 9 km/h
Humidity 96%Cloud cover 83%Pressure 1021 hPa
Overcast
Feels like 14°C
Wind direction southGusts 12 km/h
Humidity 90%Cloud cover 100%Pressure 1021 hPa
Overcast
Feels like 16°C
Wind direction southwestGusts 16 km/h
Humidity 81%Cloud cover 98%Pressure 1021 hPa
Overcast
Feels like 17°C
Wind direction southwestGusts 18 km/h
Humidity 69%Cloud cover 99%Pressure 1022 hPa
Overcast
Feels like 18°C
Wind direction westGusts 18 km/h
Humidity 58%Cloud cover 99%Pressure 1021 hPa
Overcast
Feels like 19°C
Wind direction westGusts 18 km/h
Humidity 50%Cloud cover 87%Pressure 1021 hPa
Mostly cloudy
Feels like 20°C
Wind direction westGusts 19 km/h
Humidity 48%Cloud cover 76%Pressure 1021 hPa
Overcast
Feels like 20°C
Wind direction westGusts 19 km/h
Humidity 48%Cloud cover 93%Pressure 1021 hPa
Overcast
Feels like 19°C
Wind direction westGusts 21 km/h
Humidity 51%Cloud cover 97%Pressure 1021 hPa
Overcast
Feels like 19°C
Wind direction westGusts 23 km/h
Humidity 51%Cloud cover 98%Pressure 1021 hPa
Overcast
Feels like 18°C
Wind direction westGusts 24 km/h
Humidity 55%Cloud cover 98%Pressure 1021 hPa
Overcast
Feels like 18°C
Wind direction westGusts 24 km/h
Humidity 59%Cloud cover 99%Pressure 1021 hPa
Overcast
Feels like 17°C
Wind direction westGusts 25 km/h
Humidity 68%Cloud cover 99%Pressure 1021 hPa
Overcast
Feels like 15°C
Wind direction southwestGusts 19 km/h
Humidity 85%Cloud cover 100%Pressure 1021 hPa
Overcast night
Feels like 13°C
Wind direction southwestGusts 12 km/h
Humidity 93%Cloud cover 95%Pressure 1021 hPa
Overcast night
Feels like 13°C
Wind direction southwestGusts 15 km/h
Humidity 93%Cloud cover 97%Pressure 1022 hPa
Overcast night
Feels like 13°C
Wind direction southwestGusts 19 km/h
Humidity 94%Cloud cover 98%Pressure 1022 hPa
Wednesday
Overcast night
Feels like 13°C
Wind direction southwestGusts 14 km/h
Humidity 95%Cloud cover 99%Pressure 1022 hPa
Overcast night
Feels like 12°C
Wind direction southwestGusts 18 km/h
Humidity 96%Cloud cover 93%Pressure 1021 hPa
Mostly cloudy night
Feels like 12°C
Wind direction southGusts 17 km/h
Humidity 96%Cloud cover 70%Pressure 1021 hPa
Overcast night
Feels like 13°C
Wind direction southGusts 25 km/h
Humidity 93%Cloud cover 86%Pressure 1021 hPa
Overcast night
Feels like 13°C
Wind direction southGusts 25 km/h
Humidity 92%Cloud cover 91%Pressure 1020 hPa
Overcast night
Feels like 13°C
Wind direction southGusts 25 km/h
Humidity 93%Cloud cover 93%Pressure 1020 hPa
Overcast night
Feels like 13°C
Wind direction southGusts 23 km/h
Humidity 94%Cloud cover 94%Pressure 1020 hPa
Overcast
Feels like 13°C
Wind direction southGusts 25 km/h
Humidity 94%Cloud cover 95%Pressure 1020 hPa
Overcast
Feels like 14°C
Wind direction southGusts 26 km/h
Humidity 86%Cloud cover 100%Pressure 1021 hPa
Overcast
Feels like 16°C
Wind direction southGusts 28 km/h
Humidity 75%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 17°C
Wind direction southGusts 30 km/h
Humidity 75%Cloud cover 100%Pressure 1021 hPa
Overcast
Feels like 19°C
Wind direction southwestGusts 29 km/h
Humidity 63%Cloud cover 100%Pressure 1021 hPa
Overcast
Feels like 18°C
Wind direction southwestGusts 33 km/h
Humidity 71%Cloud cover 100%Pressure 1021 hPa
Overcast
Feels like 20°C
Wind direction southwestGusts 36 km/h
Humidity 70%Cloud cover 98%Pressure 1020 hPa
Overcast
Feels like 19°C
Wind direction southwestGusts 36 km/h
Humidity 75%Cloud cover 100%Pressure 1020 hPa
Light rain
Feels like 20°C
Wind direction southwestGusts 36 km/h
Humidity 78%Cloud cover 100%Pressure 1020 hPa
Light rain
Feels like 20°C
Wind direction southwestGusts 35 km/h
Humidity 81%Cloud cover 99%Pressure 1019 hPa
Light rain
Feels like 20°C
Wind direction southwestGusts 34 km/h
Humidity 78%Cloud cover 96%Pressure 1019 hPa
Mostly cloudy
Feels like 20°C
Wind direction westGusts 34 km/h
Humidity 72%Cloud cover 84%Pressure 1019 hPa
Mostly cloudy
Feels like 19°C
Wind direction southwestGusts 37 km/h
Humidity 78%Cloud cover 81%Pressure 1019 hPa
Mostly sunny
Feels like 17°C
Wind direction southwestGusts 41 km/h
Humidity 91%Cloud cover 21%Pressure 1020 hPa
Mostly clear night
Feels like 16°C
Wind direction southwestGusts 39 km/h
Humidity 97%Cloud cover 23%Pressure 1020 hPa
Partly cloudy night
Feels like 16°C
Wind direction southwestGusts 39 km/h
Humidity 97%Cloud cover 33%Pressure 1020 hPa
Partly cloudy night
Feels like 16°C
Wind direction southwestGusts 39 km/h
Humidity 97%Cloud cover 42%Pressure 1020 hPa
Thursday
Mostly cloudy night
Feels like 17°C
Wind direction southwestGusts 40 km/h
Humidity 95%Cloud cover 53%Pressure 1020 hPa
Mostly cloudy night
Feels like 17°C
Wind direction southwestGusts 39 km/h
Humidity 92%Cloud cover 61%Pressure 1020 hPa
Overcast night
Feels like 17°C
Wind direction southwestGusts 39 km/h
Humidity 94%Cloud cover 100%Pressure 1020 hPa
Overcast night
Feels like 18°C
Wind direction southwestGusts 39 km/h
Humidity 96%Cloud cover 100%Pressure 1020 hPa
Overcast night
Feels like 18°C
Wind direction southwestGusts 38 km/h
Humidity 97%Cloud cover 100%Pressure 1020 hPa
Overcast night
Feels like 18°C
Wind direction southwestGusts 38 km/h
Humidity 98%Cloud cover 100%Pressure 1020 hPa
Overcast night
Feels like 18°C
Wind direction southwestGusts 39 km/h
Humidity 98%Cloud cover 100%Pressure 1020 hPa
Light rain
Feels like 18°C
Wind direction southwestGusts 39 km/h
Humidity 98%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 19°C
Wind direction southwestGusts 39 km/h
Humidity 97%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 19°C
Wind direction southwestGusts 39 km/h
Humidity 96%Cloud cover 100%Pressure 1020 hPa
Light rain
Feels like 20°C
Wind direction southwestGusts 41 km/h
Humidity 93%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 22°C
Wind direction southwestGusts 39 km/h
Humidity 83%Cloud cover 100%Pressure 1020 hPa
Light rain
Feels like 24°C
Wind direction southwestGusts 37 km/h
Humidity 73%Cloud cover 98%Pressure 1019 hPa
Light rain
Feels like 24°C
Wind direction westGusts 39 km/h
Humidity 71%Cloud cover 96%Pressure 1020 hPa
Light rain
Feels like 23°C
Wind direction westGusts 42 km/h
Humidity 76%Cloud cover 85%Pressure 1020 hPa
Light rain
Feels like 22°C
Wind direction westGusts 43 km/h
Humidity 83%Cloud cover 93%Pressure 1019 hPa
Light rain
Feels like 21°C
Wind direction westGusts 43 km/h
Humidity 87%Cloud cover 95%Pressure 1019 hPa
Light rain
Feels like 21°C
Wind direction westGusts 41 km/h
Humidity 86%Cloud cover 95%Pressure 1019 hPa
Light rain
Feels like 21°C
Wind direction southwestGusts 45 km/h
Humidity 89%Cloud cover 96%Pressure 1018 hPa
Light rain
Feels like 20°C
Wind direction southwestGusts 47 km/h
Humidity 92%Cloud cover 96%Pressure 1018 hPa
Overcast night
Feels like 20°C
Wind direction southwestGusts 50 km/h
Humidity 93%Cloud cover 100%Pressure 1018 hPa
Overcast night
Feels like 20°C
Wind direction southwestGusts 53 km/h
Humidity 92%Cloud cover 100%Pressure 1018 hPa
Overcast night
Feels like 20°C
Wind direction southwestGusts 55 km/h
Humidity 92%Cloud cover 100%Pressure 1018 hPa
Light rain
Feels like 19°C
Wind direction southwestGusts 56 km/h
Humidity 92%Cloud cover 100%Pressure 1017 hPa
Friday
Light rain
Feels like 19°C
Wind direction southwestGusts 56 km/h
Humidity 95%Cloud cover 98%Pressure 1017 hPa
Overcast night
Feels like 19°C
Wind direction westGusts 54 km/h
Humidity 97%Cloud cover 99%Pressure 1017 hPa
Overcast night
Feels like 17°C
Wind direction westGusts 46 km/h
Humidity 99%Cloud cover 100%Pressure 1017 hPa
Overcast night
Feels like 16°C
Wind direction westGusts 41 km/h
Humidity 98%Cloud cover 100%Pressure 1017 hPa
Overcast night
Feels like 16°C
Wind direction westGusts 36 km/h
Humidity 97%Cloud cover 100%Pressure 1017 hPa
Light rain
Feels like 15°C
Wind direction westGusts 29 km/h
Humidity 97%Cloud cover 100%Pressure 1017 hPa
Light rain
Feels like 15°C
Wind direction westGusts 29 km/h
Humidity 97%Cloud cover 100%Pressure 1018 hPa
Light rain
Feels like 15°C
Wind direction northwestGusts 27 km/h
Humidity 98%Cloud cover 100%Pressure 1018 hPa
Overcast
Feels like 15°C
Wind direction westGusts 19 km/h
Humidity 98%Cloud cover 100%Pressure 1018 hPa
Overcast
Feels like 15°C
Wind direction westGusts 22 km/h
Humidity 97%Cloud cover 100%Pressure 1018 hPa
Light rain
Feels like 16°C
Wind direction southwestGusts 26 km/h
Humidity 96%Cloud cover 100%Pressure 1019 hPa
Light rain
Feels like 16°C
Wind direction westGusts 29 km/h
Humidity 94%Cloud cover 100%Pressure 1019 hPa
Light rain
Feels like 17°C
Wind direction westGusts 30 km/h
Humidity 87%Cloud cover 100%Pressure 1019 hPa
Light rain
Feels like 18°C
Wind direction westGusts 30 km/h
Humidity 86%Cloud cover 100%Pressure 1019 hPa
Light rain
Feels like 18°C
Wind direction westGusts 30 km/h
Humidity 77%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 18°C
Wind direction westGusts 32 km/h
Humidity 70%Cloud cover 100%Pressure 1019 hPa
Overcast
Feels like 18°C
Wind direction westGusts 35 km/h
Humidity 67%Cloud cover 100%Pressure 1020 hPa
Overcast
Feels like 18°C
Wind direction westGusts 33 km/h
Humidity 66%Cloud cover 91%Pressure 1020 hPa
In Merton and, more broadly, across South West: The late afternoon will see mostly cloudy skies lingering, with temperatures remaining mild between 17 and 19 degrees Celsius. Winds will be moderate from the northwest, reaching up to 10 mph, with occasional gusts up to 18 mph. As evening approaches, the weather is expected to stay dry, with no precipitation forecast. The moderate breeze may persist into the night, but skies will likely remain mostly cloudy. Overall, it should be a fairly calm and mild evening with no significant weather disturbances.
15-Day Weather Outlook for Merton
TomorrowTomorrow
Mostly cloudy
20°/13°
💧 None
💨 21 km/h
Mostly cloudy
20°/13°
💧 None
💨 21 km/h
Daytime temperature 19°C
Feels like 18°C
Humidity 52%
Pressure 1021 hPa
Cloud cover 72%
Wind direction west
Gusts 26 km/h
Sunrise 6:29 AM
Sunset 8:03 PM
Wednesday, Sep 2Wed Sep 2
Light rain
21°/12°
💧 0.7 mm
💨 28 km/h
Light rain
21°/12°
💧 0.7 mm
💨 28 km/h
Daytime temperature 19°C
Feels like 19°C
Humidity 73%
Pressure 1020 hPa
Cloud cover 92%
Wind direction west
Gusts 44 km/h
Sunrise 6:31 AM
Sunset 8:01 PM
Thursday, Sep 3Thu Sep 3
Light rain
21°/16°
💧 4.4 mm
💨 26 km/h
Light rain
21°/16°
💧 4.4 mm
💨 26 km/h
Daytime temperature 21°C
Feels like 21°C
Humidity 90%
Pressure 1019 hPa
Cloud cover 100%
Wind direction west
Gusts 50 km/h
Sunrise 6:32 AM
Sunset 7:59 PM
Friday, Sep 4Fri Sep 4
Light rain
18°/14°
💧 4.5 mm
💨 29 km/h
Light rain
18°/14°
💧 4.5 mm
💨 29 km/h
Daytime temperature 18°C
Feels like 18°C
Humidity 65%
Pressure 1018 hPa
Cloud cover 99%
Wind direction west
Gusts 42 km/h
Sunrise 6:34 AM
Sunset 7:56 PM
Saturday, Sep 5Sat Sep 5
Light rain
18°/11°
💧 0.6 mm
💨 23 km/h
Light rain
18°/11°
💧 0.6 mm
💨 23 km/h
Daytime temperature 18°C
Feels like 17°C
Humidity 59%
Pressure 1026 hPa
Cloud cover 16%
Wind direction northwest
Gusts 43 km/h
Sunrise 6:36 AM
Sunset 7:54 PM
Sunday, Sep 6Sun Sep 6
Sunny
22°/10°
💧 None
💨 16 km/h
Sunny
22°/10°
💧 None
💨 16 km/h
Daytime temperature 21°C
Feels like 21°C
Humidity 47%
Pressure 1025 hPa
Cloud cover 6%
Wind direction south
Gusts 18 km/h
Sunrise 6:37 AM
Sunset 7:52 PM
Monday, Sep 7Mon Sep 7
Mostly cloudy
20°/11°
💧 None
💨 20 km/h
Mostly cloudy
20°/11°
💧 None
💨 20 km/h
Daytime temperature 18°C
Feels like 18°C
Humidity 89%
Pressure 1025 hPa
Cloud cover 61%
Wind direction northwest
Gusts 24 km/h
Sunrise 6:39 AM
Sunset 7:50 PM
Tuesday, Sep 8Tue Sep 8
Overcast
20°/11°
💧 None
💨 17 km/h
Overcast
20°/11°
💧 None
💨 17 km/h
Daytime temperature 20°C
Feels like 19°C
Humidity 52%
Pressure 1026 hPa
Cloud cover 98%
Wind direction west
Gusts 27 km/h
Sunrise 6:40 AM
Sunset 7:47 PM
Wednesday, Sep 9Wed Sep 9
Light rain
20°/13°
💧 1.6 mm
💨 24 km/h
Light rain
20°/13°
💧 1.6 mm
💨 24 km/h
Daytime temperature 20°C
Feels like 20°C
Humidity 91%
Pressure 1017 hPa
Cloud cover 100%
Wind direction west
Gusts 52 km/h
Sunrise 6:42 AM
Sunset 7:45 PM
Thursday, Sep 10Thu Sep 10
Light rain
17°/11°
💧 0.1 mm
💨 26 km/h
Light rain
17°/11°
💧 0.1 mm
💨 26 km/h
Daytime temperature 17°C
Feels like 16°C
Humidity 57%
Pressure 1015 hPa
Cloud cover 51%
Wind direction northwest
Gusts 32 km/h
Sunrise 6:43 AM
Sunset 7:43 PM
Friday, Sep 11Fri Sep 11
Light rain
17°/10°
💧 2.1 mm
💨 19 km/h
Light rain
17°/10°
💧 2.1 mm
💨 19 km/h
Daytime temperature 17°C
Feels like 17°C
Humidity 62%
Pressure 1017 hPa
Cloud cover 45%
Wind direction northwest
Gusts 32 km/h
Sunrise 6:45 AM
Sunset 7:41 PM
Saturday, Sep 12Sat Sep 12
Sunny
20°/8°
💧 None
💨 20 km/h
Sunny
20°/8°
💧 None
💨 20 km/h
Daytime temperature 19°C
Feels like 19°C
Humidity 43%
Pressure 1023 hPa
Cloud cover 0%
Wind direction northeast
Gusts 31 km/h
Sunrise 6:46 AM
Sunset 7:38 PM
Sunday, Sep 13Sun Sep 13
Mostly sunny
20°/8°
💧 None
💨 14 km/h
Mostly sunny
20°/8°
💧 None
💨 14 km/h
Daytime temperature 19°C
Feels like 18°C
Humidity 37%
Pressure 1024 hPa
Cloud cover 12%
Wind direction northeast
Gusts 29 km/h
Sunrise 6:48 AM
Sunset 7:36 PM
Monday, Sep 14Mon Sep 14
Overcast
19°/9°
💧 None
💨 23 km/h
Overcast
19°/9°
💧 None
💨 23 km/h
Daytime temperature 19°C
Feels like 19°C
Humidity 58%
Pressure 1019 hPa
Cloud cover 97%
Wind direction west
Gusts 38 km/h
Sunrise 6:49 AM
Sunset 7:34 PM
Tuesday, Sep 15Tue Sep 15
Light rain
19°/16°
💧 0.8 mm
💨 37 km/h
Light rain
19°/16°
💧 0.8 mm
💨 37 km/h
Daytime temperature 19°C
Feels like 19°C
Humidity 82%
Pressure 1009 hPa
Cloud cover 96%
Wind direction west
Gusts 58 km/h
Sunrise 6:51 AM
Sunset 7:32 PM
TEMPERATURE OUTLOOK
Temperature & Weather Trends in Merton
AIR QUALITY FORECAST
Air Quality Forecast for Merton
Fair
Nearest forecast value
6:00 PM
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 4,2µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 88,8µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 0,8µg/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 3,1µg/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 1,2µg/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 0,6µg/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 1,8µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 86,7µg/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 4,8µg/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 11,3µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 65,0µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 2,1µg/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 4,1µg/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 12,4µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 64,2µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 2,6µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
UV & HEALTH
UV, Sun & Health Outlook in Merton
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 2,9Low
🙂Fair
Tomorrow
UV 4,9Moderate
🙂Fair
Wednesday
UV 1,9Low
🙂Fair
Thursday
UV 5,3Moderate
🙂Fair
Friday
UV 5,0Moderate
🙂Fair
Saturday
UV 5,0Moderate
—Unavailable
Sunday
UV 6,0High
—Unavailable
Hourly UV index today
6:00 PMUV 0,4
7:00 PMUV 0,1
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 Merton
Sustained wind
Max gusts
Forecast data for Merton were last refreshed today at 5:09 PM. The current forecast period extends through 02/09/2026 at 3:00 PM. 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.