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

Light Cloud

21°C 70°F 15°C 59°F Westerly
Wind Speed 10 km/h 6 mph
Sunday

Light Rain Shower

21°C 70°F 13°C 55°F Westerly
Wind Speed 14 km/h 9 mph
Monday

Sunny

20°C 68°F 14°C 57°F Westerly
Wind Speed 19 km/h 12 mph
Tuesday

Light Cloud

20°C 68°F 14°C 57°F South Westerly
Wind Speed 13 km/h 8 mph
Wednesday

Light Cloud

19°C 66°F 14°C 57°F South Westerly
Wind Speed 16 km/h 10 mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:19 Sunset 20:09

Last updated 15:10

Weather forecast details for Saturday 27 August. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1900 hours2200 hours0100 hours
Sun
0400 hours    
Weather Conditions Sunny Intervals Light Cloud Light Cloud Light Rain     
Temperature (°C/°F) 19°C 66°F 17°C 63°F 16°C 61°F 16°C 61°F     
Wind Speed (mph/km/h) Wind Speed 14 km/h 9 mph East North Easterly Wind Speed 11 km/h 7 mph Easterly Wind Speed 10 km/h 6 mph Westerly Wind Speed 11 km/h 7 mph Southerly     
Wind Direction ENE E W S     
Humidity 86% 93% 90% 90%     
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) GGGVG    
Pressure (Millibars) 1012 1012 1011 1011     

Wales

Forecast Summary

  • This Evening and Tonight

    This evening should start largely dry across the country, but overnight will see outbreaks of heavy and persistent rain develops across the north of country. Further south will also see some showery outbreaks of rain developing later.

Environmental Summary

UV: 4

UK Range: 1-8

Pollution: Low

UK Range: Low to Very High

Pollen: Moderate

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 19:00 BST, Friday 26 AugForecast updated Monday to Friday only

UK

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Last updated 11:51 BST, Saturday 27 Aug

Observations

Observed at 15:00, Saturday 27 August

Sunny Intervals

21°C 70°F

Wind Speed 21 km/h 13 mph Easterly

Humidity: 72%

Visibility: Very Good

Pressure: 1013mb, Falling

Observation station: St. Athan

(Lat: 51.4 | Lon: -3.433)

BBC Weather in association with the Met Office

All times are BST (Europe/London, GMT+0100) unless otherwise stated

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