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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 Westerly
Wind Speed 13 km/h 8 mph
Saturday

Light Cloud

18°C 64°F 11°C 52°F South South Westerly
Wind Speed 6 km/h 4 mph
Sunday

Light Cloud

16°C 61°F 9°C 48°F Westerly
Wind Speed 16 km/h 10 mph
Monday

Light Cloud

15°C 59°F 10°C 50°F West North Westerly
Wind Speed 18 km/h 11 mph
Tuesday

Light Cloud

17°C 63°F 8°C 46°F North Westerly
Wind Speed 16 km/h 10 mph

IN ASSOCIATION WITH

Forecast

Sunrise 05:12 Sunset 21:07

Last updated 14:09

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 1600 hours1900 hours2200 hours0100 hours
Sat
0400 hours   
Weather Conditions Light Cloud Light Cloud Light Cloud Thick Cloud Thick Cloud    
Temperature (°C/°F) 16°C 61°F 14°C 57°F 13°C 55°F 13°C 55°F 13°C 55°F    
Wind Speed (mph/km/h) Wind Speed 16 km/h 10 mph Westerly Wind Speed 18 km/h 11 mph Westerly Wind Speed 11 km/h 7 mph Westerly Wind Speed 10 km/h 6 mph West North Westerly Wind Speed 5 km/h 3 mph North North Westerly    
Wind Direction W W W WNW NNW    
Humidity 81% 84% 91% 91% 87%    
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) G G G G G    
Pressure (Millibars) 1025 1025 1025 1025 1025    

Wales

Forecast Summary

  • Today

    Cloudy with some patchy light rain or drizzle during the day, especially in the northwest. Some mist and fog is likely across northern and western hills and coasts. Becoming drier later with some bright spells developing from late afternoon.

  • Tonight

    It will be dry with light winds and clear spells, leading to a chilly night for most with the risk of localised grass frost in some rural areas.

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 14:29, Friday 22 May Forecast updated Monday to Friday only

UK

UK Forecast Last updated 07:52, Friday 22 May

Observations

Observed at 13:00, Friday 22 May

Thick Cloud

14°C 57°F

Wind Speed 16 km/h 10 mph Westerly

Humidity: 92%

Visibility: Good

Pressure: 1026mb, 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