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Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed
Saturday

Sunny

4°C 39°F 2°C 36°F East North Easterly
Wind Speed 18 km/h 11 mph
Sunday

Light Cloud

7°C 45°F 1°C 34°F South Easterly
Wind Speed 13 km/h 8 mph
Monday

Sunny Intervals

6°C 43°F 2°C 36°F East South Easterly
Wind Speed 11 km/h 7 mph
Tuesday

Light Cloud

7°C 45°F 3°C 37°F South Easterly
Wind Speed 14 km/h 9 mph
Wednesday

Light Cloud

7°C 45°F 4°C 39°F South South Easterly
Wind Speed 23 km/h 14 mph

IN ASSOCIATION WITH

Forecast

Sunrise 08:07 Sunset 16:44

Last updated 05:27

Weather forecast details for Saturday 21 January. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 0900 hours1200 hours1500 hours1800 hours2100 hours0000 hours
Sun
0300 hours 
Weather Conditions Sunny Intervals Sunny Sunny Thick Cloud Light Cloud Light Cloud Light Cloud  
Temperature (°C/°F) 0°C 32°F 3°C 37°F 3°C 37°F 3°C 37°F 3°C 37°F 3°C 37°F 3°C 37°F  
Wind Speed (mph/km/h) Wind Speed 16 km/h 10 mph East North Easterly Wind Speed 18 km/h 11 mph East North Easterly Wind Speed 14 km/h 9 mph Easterly Wind Speed 11 km/h 7 mph South Easterly Wind Speed 13 km/h 8 mph South Easterly Wind Speed 11 km/h 7 mph South Easterly Wind Speed 11 km/h 7 mph East South Easterly  
Wind Direction ENE ENE E SE SE SE ESE  
Humidity 89% 78% 72% 82% 87% 91% 94%  
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) GGGGGMM 
Pressure (Millibars) 1028 1027 1026 1025 1025 1025 1025  

Wales

Forecast Summary

  • Today

    Although it'll be a sunny and frosty start for many today, some isolated fog patches may linger through the morning. It'll be a cold and sunny day for many, but cloud will start to increase a little across the south.

  • Tonight

    Skies will become cloudier overnight with some hill fog and outbreaks of rain, occasionally turning to snow over hills. However, where clear spells develop, a patchy frost will form.

Environmental Summary

UV: 1

UK Range: 1-8

Pollution: Low

UK Range: Low to Very High

Average Conditions

BBC Weather's average conditions for London, United Kingdom. This includes readings of average sunlight, temperature, discomfort from heat and humidity, relative humidity, average Precipitation, and wet days.
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average Minimum Temperature (°C) 2 2 3 5 8 11 12 13 11 8 5 3
Average Minimum Temperature (°F) 35 35 38 41 46 51 54 55 51 46 41 37
Average Maximum Temperature (°C) 7 7 10 13 16 19 20 21 18 14 10 8
Average Maximum Temperature (°F) 45 45 50 56 61 68 69 69 64 58 51 46
Record Minimum Temperature (°C) -17 -9 -8 -3 -1 4 7 6 2 -3 -3 -7
Record Minimum Temperature (°F) 2 15 18 27 31 39 44 43 35 26 26 19
Record Maximum Temperature (°C) 15 16 20 24 29 31 31 33 28 25 18 15
Record Maximum Temperature (°F) 59 61 68 75 84 87 88 91 83 77 65 59
Average Precipitation (mm) 108 72 63 65 76 63 89 97 99 109 116 108
Average Precipitation (inches) 4.3 2.8 2.5 2.6 3.0 2.5 3.5 3.8 3.9 4.3 4.7 4.3
Average Sunlight Hours 2 3 4 5 6 7 6 6 5 3 2 2
Wet Days (+0.1 mm) 18 14 13 13 13 13 14 15 16 16 17 18
Relative Humidity AM 89 87 82 74 74 73 76 78 81 85 88 89
Relative Humidity PM -- -- -- -- -- -- -- -- -- -- -- --
Discomfort From Heat And Humidity -- -- -- -- -- -- -- -- -- -- -- --

Average Conditions data © Copyright RM, 2011. All rights reserved. Helicon Publishing is a division of RM.

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BBC Wales Today

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Last updated 19:51 GMT, Friday 20 JanForecast updated Monday to Friday only

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Last updated 23:57 GMT, Friday 20 Jan

Observations

Observed at 05:00, Saturday 21 January

Partly Cloudy

-1°C 30°F

Wind Speed 13 km/h 8 mph East North Easterly

Humidity: 90%

Visibility: Moderate

Pressure: 1029mb, Falling

Observation station: St. Athan

(Lat: 51.4 | Lon: -3.433)

BBC Weather in association with the Met Office

All times are GMT (Europe/London, GMT+0000) unless otherwise stated

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