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

Light Cloud

17°C 63°F 12°C 54°F West North Westerly
Wind Speed 10 km/h 6 mph
Saturday

Light Cloud

18°C 64°F 11°C 52°F South South Westerly
Wind Speed 8 km/h 5 mph
Sunday

Light Cloud

17°C 63°F 9°C 48°F Westerly
Wind Speed 18 km/h 11 mph
Monday

Thick Cloud

15°C 59°F 10°C 50°F North Westerly
Wind Speed 16 km/h 10 mph
Tuesday

Sunny Intervals

17°C 63°F 8°C 46°F North North Westerly
Wind Speed 13 km/h 8 mph

IN ASSOCIATION WITH

Forecast

Sunrise 05:12 Sunset 21:07

Last updated 22:12

Weather forecast details for Friday 22 May. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 2300 hours0000 hours
Sat
0100 hours0200 hours0300 hours0400 hours0500 hours                 
Weather Conditions Light Cloud Light Cloud Light Cloud Light Cloud Light Cloud Light Cloud Light Cloud                  
Temperature (°C/°F) 13°C 55°F 12°C 54°F 12°C 54°F 13°C 55°F 13°C 55°F 13°C 55°F 13°C 55°F                  
Wind Speed (mph/km/h) Wind Speed 13 km/h 8 mph Westerly Wind Speed 11 km/h 7 mph West North Westerly Wind Speed 10 km/h 6 mph West North Westerly Wind Speed 10 km/h 6 mph West North Westerly Wind Speed 8 km/h 5 mph West North Westerly Wind Speed 5 km/h 3 mph North Westerly Wind Speed 3 km/h 2 mph North North Westerly                  
Wind Direction W WNW WNW WNW WNW NW NNW                  
Humidity 92% 93% 92% 90% 90% 88% 89%                  
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) G G G G G G G                  
Pressure (Millibars) 1025 1025 1025 1025 1025 1025 1025                  

Wales

Forecast Summary

  • This Evening and Tonight

    Rather cloudy with the odd spot of light rain this evening. It will be dry overnight with cloud tending to break up and some clear spells developing, leading to a chilly night for some and a localised grass frost.

Environmental Summary

UV: 4

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 19:05, Friday 22 May Forecast updated Monday to Friday only

UK

UK Forecast Last updated 21:38, Friday 22 May

Observations

Observed at 22:00, Friday 22 May

Thick Cloud

11°C 52°F

Wind Speed 16 km/h 10 mph West North Westerly

Humidity: 98%

Visibility: Moderate

Pressure: 1026mb, Rising

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