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

Clear Sky

22°C 72°F 16°C 61°F Westerly
10km/h 6mph
Thursday

Light Rain Shower

20°C 68°F 16°C 61°F West South Westerly
16km/h 10mph
Friday

Heavy Rain Shower

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

Light Rain Shower

19°C 66°F 13°C 55°F Westerly
18km/h 11mph
Sunday

Sunny Intervals

19°C 66°F 13°C 55°F Westerly
18km/h 11mph

IN ASSOCIATION WITH

Forecast

Sunrise 05:33 Sunset 21:05
Weather forecast details for Wednesday 30 July. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 2200 hours0100 hours
Thu
0400 hours     
Weather Conditions Clear Sky Partly Cloudy Clear Sky      
Temperature (°C/°F) 18°C 64°F 17°C 63°F 16°C 61°F      
Wind Speed (mph/km/h) 14km/h 9mph Westerly 10km/h 6mph Westerly 11km/h 7mph Westerly      
Wind Direction W W W      
Humidity 74% 81% 84%      
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VG VG VG      
Pressure (Millibars) 1017 1016 1015      

Wales

Forecast Summary

  • This Evening and Tonight

    Staying dry for most areas overnight with some lengthy clear spells. It may turn a little cloudier later in the night with a few showers possible across the northwest towards dawn. Localised mist patches are possible later in the night.

Environmental Summary

UV: 6

UK Range: 1-7

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 <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 18:42, Wednesday 30 Jul

Observations

Observed at 20:00, Wednesday 30 July

Sunny

19°C 66°F

27km/h 17mph Westerly

Humidity: 70%

Visibility: Very Good

Pressure: 1017mb, 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