Light rain
Feels like 14°C
Wind direction southwest
Gusts 44 km/h
Humidity 92%
Cloud cover 100%
Pressure 1012 hPa
Now · 9:51 PM
Llanllyfni Weather & Hourly Forecast
United Kingdom · Wales · LL54 6AZ
14°C
Light rain
Feels like: 14°C
💧 Humidity 92%
🌡 Pressure 1012 hPa
💨 Wind 27 km/h
👁 Visibility 6.2 km
☁ Clouds 100%
☀️ UV index 0.0 · Low
🌅 Sunrise 6:30 AM
🌇 Sunset 8:03 PM
Hourly Forecast for Llanllyfni
Today
Light rain
Tomorrow
Moderate rain
Feels like 16°C
Wind direction southwest
Gusts 27 km/h
Humidity 95%
Cloud cover 100%
Pressure 1010 hPa
Overcast night
Feels like 17°C
Wind direction southwest
Gusts 21 km/h
Humidity 97%
Cloud cover 100%
Pressure 1009 hPa
Light rain
Feels like 16°C
Wind direction west
Gusts 44 km/h
Humidity 91%
Cloud cover 100%
Pressure 1011 hPa
Overcast
Feels like 16°C
Wind direction west
Gusts 43 km/h
Humidity 83%
Cloud cover 100%
Pressure 1012 hPa
Overcast
Feels like 18°C
Wind direction west
Gusts 44 km/h
Humidity 70%
Cloud cover 100%
Pressure 1014 hPa
Overcast
Feels like 18°C
Wind direction west
Gusts 40 km/h
Humidity 67%
Cloud cover 100%
Pressure 1014 hPa
Mostly cloudy
Feels like 17°C
Wind direction west
Gusts 43 km/h
Humidity 74%
Cloud cover 52%
Pressure 1016 hPa
Clear night
Feels like 16°C
Wind direction west
Gusts 43 km/h
Humidity 80%
Cloud cover 5%
Pressure 1018 hPa
Saturday
Mostly clear night
Feels like 15°C
Wind direction west
Gusts 38 km/h
Humidity 85%
Cloud cover 11%
Pressure 1019 hPa
Overcast night
Feels like 15°C
Wind direction west
Gusts 33 km/h
Humidity 84%
Cloud cover 100%
Pressure 1020 hPa
Overcast
Feels like 13°C
Wind direction northwest
Gusts 22 km/h
Humidity 84%
Cloud cover 91%
Pressure 1022 hPa
Overcast
Feels like 15°C
Wind direction west
Gusts 12 km/h
Humidity 73%
Cloud cover 94%
Pressure 1023 hPa
Overcast
Feels like 19°C
Wind direction southwest
Gusts 18 km/h
Humidity 68%
Cloud cover 88%
Pressure 1024 hPa
Mostly cloudy
Feels like 16°C
Wind direction southwest
Gusts 20 km/h
Humidity 72%
Cloud cover 55%
Pressure 1024 hPa
Partly cloudy
Feels like 14°C
Wind direction south
Gusts 21 km/h
Humidity 80%
Cloud cover 48%
Pressure 1024 hPa
Today
Light rain
Feels like 14°C
Wind direction southwestGusts 44 km/h
Humidity 92%Cloud cover 100%Pressure 1012 hPa
Moderate rain
Feels like 15°C
Wind direction southwestGusts 46 km/h
Humidity 93%Cloud cover 100%Pressure 1012 hPa
Tomorrow
Moderate rain
Feels like 15°C
Wind direction southwestGusts 39 km/h
Humidity 94%Cloud cover 100%Pressure 1011 hPa
Moderate rain
Feels like 16°C
Wind direction southwestGusts 27 km/h
Humidity 95%Cloud cover 100%Pressure 1010 hPa
Moderate rain
Feels like 17°C
Wind direction westGusts 22 km/h
Humidity 96%Cloud cover 100%Pressure 1010 hPa
Light rain
Feels like 18°C
Wind direction westGusts 17 km/h
Humidity 97%Cloud cover 100%Pressure 1009 hPa
Overcast night
Feels like 17°C
Wind direction southwestGusts 21 km/h
Humidity 97%Cloud cover 100%Pressure 1009 hPa
Light rain
Feels like 17°C
Wind direction southwestGusts 37 km/h
Humidity 96%Cloud cover 100%Pressure 1010 hPa
Light rain
Feels like 16°C
Wind direction westGusts 43 km/h
Humidity 95%Cloud cover 100%Pressure 1010 hPa
Light rain
Feels like 16°C
Wind direction westGusts 44 km/h
Humidity 91%Cloud cover 100%Pressure 1011 hPa
Overcast
Feels like 16°C
Wind direction westGusts 39 km/h
Humidity 88%Cloud cover 100%Pressure 1011 hPa
Overcast
Feels like 16°C
Wind direction westGusts 40 km/h
Humidity 86%Cloud cover 100%Pressure 1012 hPa
Overcast
Feels like 16°C
Wind direction westGusts 43 km/h
Humidity 83%Cloud cover 100%Pressure 1012 hPa
Overcast
Feels like 17°C
Wind direction westGusts 42 km/h
Humidity 78%Cloud cover 100%Pressure 1013 hPa
Overcast
Feels like 17°C
Wind direction westGusts 43 km/h
Humidity 71%Cloud cover 100%Pressure 1013 hPa
Overcast
Feels like 18°C
Wind direction westGusts 44 km/h
Humidity 70%Cloud cover 100%Pressure 1014 hPa
Overcast
Feels like 18°C
Wind direction westGusts 43 km/h
Humidity 69%Cloud cover 100%Pressure 1014 hPa
Overcast
Feels like 18°C
Wind direction westGusts 42 km/h
Humidity 67%Cloud cover 100%Pressure 1014 hPa
Overcast
Feels like 18°C
Wind direction westGusts 40 km/h
Humidity 67%Cloud cover 100%Pressure 1014 hPa
Mostly cloudy
Feels like 18°C
Wind direction westGusts 41 km/h
Humidity 70%Cloud cover 75%Pressure 1015 hPa
Mostly cloudy
Feels like 18°C
Wind direction westGusts 42 km/h
Humidity 74%Cloud cover 60%Pressure 1015 hPa
Mostly cloudy
Feels like 17°C
Wind direction westGusts 43 km/h
Humidity 74%Cloud cover 52%Pressure 1016 hPa
Sunny
Feels like 17°C
Wind direction westGusts 44 km/h
Humidity 76%Cloud cover 5%Pressure 1016 hPa
Clear night
Feels like 16°C
Wind direction westGusts 43 km/h
Humidity 77%Cloud cover 5%Pressure 1017 hPa
Clear night
Feels like 16°C
Wind direction westGusts 43 km/h
Humidity 80%Cloud cover 5%Pressure 1018 hPa
Clear night
Feels like 16°C
Wind direction westGusts 42 km/h
Humidity 84%Cloud cover 4%Pressure 1018 hPa
Saturday
Clear night
Feels like 15°C
Wind direction westGusts 41 km/h
Humidity 84%Cloud cover 2%Pressure 1019 hPa
Mostly clear night
Feels like 15°C
Wind direction westGusts 38 km/h
Humidity 85%Cloud cover 11%Pressure 1019 hPa
Overcast night
Feels like 15°C
Wind direction westGusts 35 km/h
Humidity 85%Cloud cover 100%Pressure 1020 hPa
Overcast night
Feels like 15°C
Wind direction westGusts 33 km/h
Humidity 85%Cloud cover 100%Pressure 1020 hPa
Overcast night
Feels like 15°C
Wind direction westGusts 33 km/h
Humidity 84%Cloud cover 100%Pressure 1020 hPa
Overcast night
Feels like 14°C
Wind direction westGusts 32 km/h
Humidity 84%Cloud cover 99%Pressure 1021 hPa
Overcast night
Feels like 14°C
Wind direction northwestGusts 29 km/h
Humidity 82%Cloud cover 95%Pressure 1021 hPa
Overcast
Feels like 13°C
Wind direction northwestGusts 22 km/h
Humidity 84%Cloud cover 91%Pressure 1022 hPa
Mostly cloudy
Feels like 14°C
Wind direction westGusts 20 km/h
Humidity 81%Cloud cover 84%Pressure 1023 hPa
Overcast
Feels like 14°C
Wind direction westGusts 15 km/h
Humidity 77%Cloud cover 92%Pressure 1023 hPa
Overcast
Feels like 15°C
Wind direction westGusts 12 km/h
Humidity 73%Cloud cover 94%Pressure 1023 hPa
Overcast
Feels like 17°C
Wind direction southwestGusts 12 km/h
Humidity 70%Cloud cover 92%Pressure 1024 hPa
Overcast
Feels like 17°C
Wind direction southwestGusts 14 km/h
Humidity 68%Cloud cover 86%Pressure 1024 hPa
Overcast
Feels like 19°C
Wind direction southwestGusts 18 km/h
Humidity 68%Cloud cover 88%Pressure 1024 hPa
Partly cloudy
Feels like 16°C
Wind direction southwestGusts 19 km/h
Humidity 70%Cloud cover 40%Pressure 1025 hPa
Mostly cloudy
Feels like 16°C
Wind direction southwestGusts 19 km/h
Humidity 72%Cloud cover 53%Pressure 1024 hPa
Mostly cloudy
Feels like 16°C
Wind direction southwestGusts 20 km/h
Humidity 72%Cloud cover 55%Pressure 1024 hPa
Mostly cloudy
Feels like 16°C
Wind direction southwestGusts 20 km/h
Humidity 72%Cloud cover 55%Pressure 1024 hPa
Mostly cloudy
Feels like 15°C
Wind direction southGusts 21 km/h
Humidity 75%Cloud cover 53%Pressure 1024 hPa
Partly cloudy
Feels like 14°C
Wind direction southGusts 21 km/h
Humidity 80%Cloud cover 48%Pressure 1024 hPa
Mostly clear night
Feels like 12°C
Wind direction southGusts 15 km/h
Humidity 87%Cloud cover 19%Pressure 1024 hPa
Mostly clear night
Feels like 12°C
Wind direction southGusts 13 km/h
Humidity 88%Cloud cover 22%Pressure 1025 hPa
Partly cloudy night
Feels like 12°C
Wind direction southGusts 20 km/h
Humidity 87%Cloud cover 30%Pressure 1024 hPa
Partly cloudy night
Feels like 12°C
Wind direction southeastGusts 21 km/h
Humidity 86%Cloud cover 33%Pressure 1024 hPa
Sunday
Partly cloudy night
Feels like 12°C
Wind direction southGusts 25 km/h
Humidity 86%Cloud cover 32%Pressure 1023 hPa
Partly cloudy night
Feels like 13°C
Wind direction southGusts 24 km/h
Humidity 87%Cloud cover 30%Pressure 1023 hPa
Mostly cloudy night
Feels like 12°C
Wind direction southeastGusts 19 km/h
Humidity 89%Cloud cover 55%Pressure 1023 hPa
Mostly cloudy night
Feels like 13°C
Wind direction southGusts 27 km/h
Humidity 85%Cloud cover 77%Pressure 1022 hPa
Light rain
Feels like 13°C
Wind direction southGusts 28 km/h
Humidity 88%Cloud cover 83%Pressure 1022 hPa
Moderate rain
Feels like 13°C
Wind direction southGusts 31 km/h
Humidity 96%Cloud cover 88%Pressure 1021 hPa
Moderate rain
Feels like 13°C
Wind direction southeastGusts 25 km/h
Humidity 98%Cloud cover 90%Pressure 1021 hPa
Light rain
Feels like 13°C
Wind direction southeastGusts 21 km/h
Humidity 96%Cloud cover 92%Pressure 1020 hPa
Light rain
Feels like 13°C
Wind direction southeastGusts 23 km/h
Humidity 93%Cloud cover 100%Pressure 1020 hPa
Light rain
Feels like 14°C
Wind direction southeastGusts 20 km/h
Humidity 88%Cloud cover 100%Pressure 1019 hPa
Overcast
Feels like 16°C
Wind direction southeastGusts 25 km/h
Humidity 80%Cloud cover 97%Pressure 1019 hPa
Overcast
Feels like 17°C
Wind direction southGusts 39 km/h
Humidity 72%Cloud cover 98%Pressure 1018 hPa
Overcast
Feels like 19°C
Wind direction southGusts 42 km/h
Humidity 60%Cloud cover 91%Pressure 1018 hPa
Mostly cloudy
Feels like 19°C
Wind direction southGusts 45 km/h
Humidity 63%Cloud cover 76%Pressure 1018 hPa
Partly cloudy
Feels like 20°C
Wind direction southGusts 40 km/h
Humidity 53%Cloud cover 39%Pressure 1017 hPa
Partly cloudy
Feels like 20°C
Wind direction southGusts 38 km/h
Humidity 51%Cloud cover 26%Pressure 1016 hPa
Partly cloudy
Feels like 20°C
Wind direction southGusts 36 km/h
Humidity 54%Cloud cover 50%Pressure 1015 hPa
Mostly cloudy
Feels like 20°C
Wind direction southGusts 37 km/h
Humidity 61%Cloud cover 62%Pressure 1014 hPa
Mostly cloudy
Feels like 20°C
Wind direction southGusts 32 km/h
Humidity 68%Cloud cover 70%Pressure 1014 hPa
Mostly cloudy
Feels like 18°C
Wind direction southGusts 23 km/h
Humidity 75%Cloud cover 75%Pressure 1014 hPa
Overcast night
Feels like 16°C
Wind direction southGusts 17 km/h
Humidity 79%Cloud cover 100%Pressure 1014 hPa
Mostly cloudy night
Feels like 16°C
Wind direction southGusts 24 km/h
Humidity 81%Cloud cover 79%Pressure 1013 hPa
Mostly cloudy night
Feels like 15°C
Wind direction southGusts 32 km/h
Humidity 86%Cloud cover 55%Pressure 1013 hPa
Partly cloudy night
Feels like 15°C
Wind direction southGusts 32 km/h
Humidity 91%Cloud cover 42%Pressure 1013 hPa
Monday
Partly cloudy night
Feels like 15°C
Wind direction southGusts 30 km/h
Humidity 92%Cloud cover 34%Pressure 1013 hPa
Partly cloudy night
Feels like 16°C
Wind direction southGusts 41 km/h
Humidity 91%Cloud cover 45%Pressure 1012 hPa
Light rain
Feels like 17°C
Wind direction southGusts 41 km/h
Humidity 97%Cloud cover 100%Pressure 1012 hPa
Light rain
Feels like 17°C
Wind direction southwestGusts 36 km/h
Humidity 98%Cloud cover 100%Pressure 1012 hPa
Overcast night
Feels like 17°C
Wind direction southwestGusts 35 km/h
Humidity 98%Cloud cover 100%Pressure 1012 hPa
Light rain
Feels like 16°C
Wind direction southwestGusts 33 km/h
Humidity 97%Cloud cover 100%Pressure 1012 hPa
Light rain
Feels like 16°C
Wind direction southwestGusts 30 km/h
Humidity 99%Cloud cover 100%Pressure 1012 hPa
Light rain
Feels like 15°C
Wind direction northwestGusts 31 km/h
Humidity 96%Cloud cover 100%Pressure 1012 hPa
Light rain
Feels like 14°C
Wind direction northwestGusts 27 km/h
Humidity 92%Cloud cover 100%Pressure 1014 hPa
Overcast
Feels like 14°C
Wind direction northwestGusts 27 km/h
Humidity 89%Cloud cover 100%Pressure 1014 hPa
Overcast
Feels like 15°C
Wind direction northwestGusts 20 km/h
Humidity 85%Cloud cover 100%Pressure 1015 hPa
Overcast
Feels like 15°C
Wind direction westGusts 18 km/h
Humidity 81%Cloud cover 100%Pressure 1015 hPa
Overcast
Feels like 16°C
Wind direction westGusts 20 km/h
Humidity 74%Cloud cover 100%Pressure 1015 hPa
Overcast
Feels like 16°C
Wind direction westGusts 20 km/h
Humidity 70%Cloud cover 100%Pressure 1015 hPa
Overcast
Feels like 16°C
Wind direction southwestGusts 24 km/h
Humidity 73%Cloud cover 100%Pressure 1015 hPa
Overcast
Feels like 16°C
Wind direction southwestGusts 27 km/h
Humidity 74%Cloud cover 100%Pressure 1015 hPa
Overcast
Feels like 15°C
Wind direction southwestGusts 28 km/h
Humidity 69%Cloud cover 100%Pressure 1015 hPa
Overcast
Feels like 15°C
Wind direction southwestGusts 29 km/h
Humidity 75%Cloud cover 100%Pressure 1014 hPa
Overcast
Feels like 15°C
Wind direction southwestGusts 32 km/h
Humidity 78%Cloud cover 100%Pressure 1014 hPa
Overcast
Feels like 14°C
Wind direction southwestGusts 37 km/h
Humidity 83%Cloud cover 100%Pressure 1014 hPa
Light rain
Feels like 14°C
Wind direction southwestGusts 43 km/h
Humidity 88%Cloud cover 100%Pressure 1013 hPa
Light rain
Feels like 14°C
Wind direction southwestGusts 47 km/h
Humidity 91%Cloud cover 100%Pressure 1012 hPa
In Llanllyfni and, more broadly, across Gwynedd: This evening will see mostly cloudy skies with temperatures remaining on the cool side, around 16 degrees Celsius. There is a likelihood of some rain developing, with an expected accumulation of approximately 3.7 mm. The chances of rainfall are high, and some periods of rain may be persistent through the night. Winds will be moderate from the southwest, reaching speeds of up to 17 mph, with gusts possibly reaching 30 mph, which could make the conditions feel somewhat breezy. It will be wise to keep an umbrella or raincoat handy if heading out later, as some wet weather can be expected during the upcoming hours. Temperatures are unlikely to change significantly overnight.
15-Day Weather Outlook for Llanllyfni
TomorrowTomorrow
Moderate rain
19°/15°
💧 9.1 mm
💨 31 km/h
Moderate rain
19°/15°
💧 9.1 mm
💨 31 km/h
Daytime temperature 19°C
Feels like 18°C
Humidity 70%
Pressure 1014 hPa
Cloud cover 100%
Wind direction west
Gusts 44 km/h
Sunrise 6:32 AM
Sunset 8:00 PM
Saturday, Sep 5Sat Sep 5
Overcast
19°/12°
💧 None
💨 27 km/h
Overcast
19°/12°
💧 None
💨 27 km/h
Daytime temperature 19°C
Feels like 19°C
Humidity 68%
Pressure 1024 hPa
Cloud cover 88%
Wind direction west
Gusts 41 km/h
Sunrise 6:33 AM
Sunset 7:58 PM
Sunday, Sep 6Sun Sep 6
Moderate rain
21°/13°
💧 3.5 mm
💨 24 km/h
Moderate rain
21°/13°
💧 3.5 mm
💨 24 km/h
Daytime temperature 19°C
Feels like 19°C
Humidity 63%
Pressure 1018 hPa
Cloud cover 76%
Wind direction south
Gusts 45 km/h
Sunrise 6:35 AM
Sunset 7:56 PM
Monday, Sep 7Mon Sep 7
Light rain
16°/14°
💧 3.5 mm
💨 32 km/h
Light rain
16°/14°
💧 3.5 mm
💨 32 km/h
Daytime temperature 16°C
Feels like 16°C
Humidity 70%
Pressure 1015 hPa
Cloud cover 100%
Wind direction southwest
Gusts 47 km/h
Sunrise 6:37 AM
Sunset 7:53 PM
Tuesday, Sep 8Tue Sep 8
Moderate rain
15°/10°
💧 17 mm
💨 34 km/h
Moderate rain
15°/10°
💧 17 mm
💨 34 km/h
Daytime temperature 14°C
Feels like 13°C
Humidity 77%
Pressure 1012 hPa
Cloud cover 27%
Wind direction west
Gusts 50 km/h
Sunrise 6:38 AM
Sunset 7:51 PM
Wednesday, Sep 9Wed Sep 9
Light rain
16°/12°
💧 4.1 mm
💨 35 km/h
Light rain
16°/12°
💧 4.1 mm
💨 35 km/h
Daytime temperature 15°C
Feels like 15°C
Humidity 74%
Pressure 1012 hPa
Cloud cover 95%
Wind direction west
Gusts 50 km/h
Sunrise 6:40 AM
Sunset 7:48 PM
Thursday, Sep 10Thu Sep 10
Light rain
17°/13°
💧 7.0 mm
💨 22 km/h
Light rain
17°/13°
💧 7.0 mm
💨 22 km/h
Daytime temperature 15°C
Feels like 15°C
Humidity 98%
Pressure 1000 hPa
Cloud cover 100%
Wind direction west
Gusts 45 km/h
Sunrise 6:42 AM
Sunset 7:46 PM
Friday, Sep 11Fri Sep 11
Light rain
15°/12°
💧 1.9 mm
💨 36 km/h
Light rain
15°/12°
💧 1.9 mm
💨 36 km/h
Daytime temperature 15°C
Feels like 14°C
Humidity 69%
Pressure 1007 hPa
Cloud cover 85%
Wind direction west
Gusts 51 km/h
Sunrise 6:43 AM
Sunset 7:44 PM
Saturday, Sep 12Sat Sep 12
Light rain
15°/9°
💧 1.1 mm
💨 21 km/h
Light rain
15°/9°
💧 1.1 mm
💨 21 km/h
Daytime temperature 15°C
Feels like 14°C
Humidity 70%
Pressure 1015 hPa
Cloud cover 24%
Wind direction northwest
Gusts 32 km/h
Sunrise 6:45 AM
Sunset 7:41 PM
Sunday, Sep 13Sun Sep 13
Light rain
14°/10°
💧 2.1 mm
💨 19 km/h
Light rain
14°/10°
💧 2.1 mm
💨 19 km/h
Daytime temperature 13°C
Feels like 13°C
Humidity 89%
Pressure 1022 hPa
Cloud cover 100%
Wind direction north
Gusts 32 km/h
Sunrise 6:47 AM
Sunset 7:39 PM
Monday, Sep 14Mon Sep 14
Overcast
16°/9°
💧 None
💨 26 km/h
Overcast
16°/9°
💧 None
💨 26 km/h
Daytime temperature 16°C
Feels like 15°C
Humidity 71%
Pressure 1024 hPa
Cloud cover 96%
Wind direction southwest
Gusts 33 km/h
Sunrise 6:49 AM
Sunset 7:36 PM
Tuesday, Sep 15Tue Sep 15
Moderate rain
17°/15°
💧 20 mm
💨 17 km/h
Moderate rain
17°/15°
💧 20 mm
💨 17 km/h
Daytime temperature 17°C
Feels like 17°C
Humidity 99%
Pressure 1020 hPa
Cloud cover 100%
Wind direction south
Gusts 41 km/h
Sunrise 6:50 AM
Sunset 7:34 PM
Wednesday, Sep 16Wed Sep 16
Light rain
18°/12°
💧 3.9 mm
💨 15 km/h
Light rain
18°/12°
💧 3.9 mm
💨 15 km/h
Daytime temperature 17°C
Feels like 17°C
Humidity 79%
Pressure 1020 hPa
Cloud cover 96%
Wind direction north
Gusts 33 km/h
Sunrise 6:52 AM
Sunset 7:31 PM
Thursday, Sep 17Thu Sep 17
Light rain
16°/13°
💧 1.8 mm
💨 12 km/h
Light rain
16°/13°
💧 1.8 mm
💨 12 km/h
Daytime temperature 16°C
Feels like 16°C
Humidity 99%
Pressure 1017 hPa
Cloud cover 100%
Wind direction south
Gusts 16 km/h
Sunrise 6:54 AM
Sunset 7:29 PM
Friday, Sep 18Fri Sep 18
Light rain
16°/14°
💧 1.1 mm
💨 5 km/h
Light rain
16°/14°
💧 1.1 mm
💨 5 km/h
Daytime temperature 16°C
Feels like 16°C
Humidity 89%
Pressure 1016 hPa
Cloud cover 98%
Wind direction east
Gusts 5 km/h
Sunrise 6:55 AM
Sunset 7:27 PM
TEMPERATURE OUTLOOK
Temperature & Weather Trends in Llanllyfni
AIR QUALITY FORECAST
Air Quality Forecast for Llanllyfni
Fair
Nearest forecast value
10:00 PM
PM2.5 Fine particles Good 3,9µg/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 10,5µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 73,6µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 0,7µg/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 3,4µg/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 7,3µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 67,5µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 0,7µg/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 5,3µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 76,0µg/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 1,8µg/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 6,5µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 85,1µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 1,3µg/m³
A gas emitted mainly by traffic and some industrial activity. High exposure can affect respiratory health.
Air quality is acceptable for most people.
Fair
Selected time
12:00 AM
PM2.5 Fine particles Good 6,7µg/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 17,0µg/m³
Includes dust, pollen and other airborne particles. High concentrations may irritate the respiratory system.
O₃ Ozone Fair 82,3µg/m³
Ground-level ozone can irritate the eyes and respiratory system when concentrations are elevated.
NO₂ Nitrogen dioxide Good 1,6µg/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 Llanllyfni
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 4,2Moderate
🙂Fair
Tomorrow
UV 3,8Moderate
🙂Fair
Saturday
UV 4,3Moderate
🙂Fair
Sunday
UV 3,3Moderate
🙂Fair
Monday
UV 4,0Moderate
🙂Fair
Tuesday
UV 3,0Moderate
—Unavailable
Wednesday
UV 4,0Moderate
—Unavailable
Today's weather health advice
Open today's recommendations.
Moderate UV risk
Sunglasses and sun protection are recommended for 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 Llanllyfni
Sustained wind
Max gusts
Internal PR simulation:
3.56
Population: 350
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Forecast data for Llanllyfni were last refreshed today at 9:51 PM. The current forecast period extends through 05/09/2026 at 7:00 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.