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

Light Rain

20°C 68°F 16°C 61°F West South Westerly
18km/h 11mph
Friday

Heavy Rain

19°C 66°F 15°C 59°F South South Westerly
16km/h 10mph
Saturday

Heavy Rain Shower

19°C 66°F 13°C 55°F West South Westerly
14km/h 9mph
Sunday

Sunny

19°C 66°F 13°C 55°F West South Westerly
21km/h 13mph
Monday

Light Rain Shower

21°C 70°F 15°C 59°F South South Westerly
13km/h 8mph

IN ASSOCIATION WITH

Forecast

Sunrise 05:34 Sunset 21:03
Weather forecast details for Thursday 31 July. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1000 hours1100 hours1200 hours1300 hours1400 hours1500 hours1600 hours1700 hours1800 hours1900 hours2000 hours2100 hours2200 hours2300 hours0000 hours
Fri
0100 hours0200 hours0300 hours0400 hours0500 hours    
Weather Conditions Heavy Rain Light Cloud Light Rain Shower Heavy Rain Shower Heavy Rain Light Rain Heavy Rain Shower Light Cloud Sunny Intervals Sunny Intervals Sunny Intervals Partly Cloudy Partly Cloudy Clear Sky Partly Cloudy Partly Cloudy Light Rain Shower Light Cloud Light Cloud Partly Cloudy     
Temperature (°C/°F) 18°C 64°F 19°C 66°F 19°C 66°F 18°C 64°F 18°C 64°F 18°C 64°F 18°C 64°F 19°C 66°F 19°C 66°F 19°C 66°F 19°C 66°F 18°C 64°F 18°C 64°F 17°C 63°F 17°C 63°F 17°C 63°F 17°C 63°F 17°C 63°F 17°C 63°F 17°C 63°F     
Wind Speed (mph/km/h) 11km/h 7mph West South Westerly 18km/h 11mph West South Westerly 16km/h 10mph West South Westerly 18km/h 11mph West South Westerly 18km/h 11mph Westerly 13km/h 8mph West South Westerly 11km/h 7mph West South Westerly 13km/h 8mph Westerly 16km/h 10mph Westerly 18km/h 11mph Westerly 16km/h 10mph Westerly 14km/h 9mph West South Westerly 13km/h 8mph West South Westerly 11km/h 7mph West South Westerly 11km/h 7mph West South Westerly 11km/h 7mph South Westerly 11km/h 7mph South Westerly 10km/h 6mph South Westerly 10km/h 6mph South Westerly 11km/h 7mph South Westerly     
Wind Direction WSW WSW WSW WSW W WSW WSW W W W W WSW WSW WSW WSW SW SW SW SW SW     
Humidity 85% 78% 77% 86% 86% 83% 83% 79% 78% 77% 79% 83% 85% 86% 87% 88% 88% 88% 88% 87%     
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) M G G M M G G G VG VG VG VG G G G G G VG VG G     
Pressure (Millibars) 1014 1014 1014 1014 1013 1013 1013 1012 1012 1012 1012 1012 1012 1011 1011 1011 1010 1010 1009 1009     

Wales

Forecast Summary

  • Today

    Often cloudy at first with some showery rain spreading south and eastwards, this perhaps heavy and thundery. Becoming brighter from the northwest later, with sunny spells and isolated showers. Breezy around some coasts, but still pleasantly warm in sunnier intervals.

  • Tonight

    Most places will become dry this evening with clear spells developing. Just a few light showers are possible, with a little hill fog overnight. Light winds.

Environmental Summary

UV: 6

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

Pollen: 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 <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span>
Discomfort From Heat And Humidity <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span> <span class="unit-na" title="Not Available">--</span>

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

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Forecast Video

BBC Wales Today

BBC Wales Today Forecast Last updated 14:02, Wednesday 30 Jul Forecast updated Monday to Friday only

UK

UK Forecast Last updated 08:09, Thursday 31 Jul

Observations

Observed at 08:00, Thursday 31 July

Thick Cloud

18°C 64°F

18km/h 11mph West South Westerly

Humidity: 89%

Visibility: Very Good

Pressure: 1015mb, 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

Information given for most appropriate forecast location. See FAQs for details