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

Sunny Intervals

18°C 64°F 10°C 50°F West North Westerly
18km/h 11mph
Saturday

Sunny

17°C 63°F 10°C 50°F West North Westerly
19km/h 12mph
Sunday

Light Rain

16°C 61°F 14°C 57°F Southerly
18km/h 11mph
Monday

Heavy Rain Shower

18°C 64°F 15°C 59°F South South Easterly
16km/h 10mph
Tuesday

Light Rain Shower

19°C 66°F 14°C 57°F East North Easterly
21km/h 13mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:09 Sunset 20:22

Last updated 10:07

Weather forecast details for Friday 22 August. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1100 hours1200 hours1300 hours1400 hours1500 hours1600 hours1700 hours1800 hours1900 hours2000 hours2100 hours2200 hours2300 hours0000 hours
Sat
0100 hours0200 hours0300 hours0400 hours0500 hours     
Weather Conditions Sunny Sunny Intervals Sunny Intervals Light Cloud Light Cloud Sunny Intervals Sunny Intervals Sunny Sunny Sunny Clear Sky Clear Sky Clear Sky Clear Sky Clear Sky Clear Sky Clear Sky Clear Sky Clear Sky      
Temperature (°C/°F) 15°C 59°F 16°C 61°F 17°C 63°F 17°C 63°F 17°C 63°F 17°C 63°F 17°C 63°F 16°C 61°F 16°C 61°F 15°C 59°F 14°C 57°F 13°C 55°F 12°C 54°F 12°C 54°F 11°C 52°F 11°C 52°F 11°C 52°F 10°C 50°F 10°C 50°F      
Wind Speed (mph/km/h) 19km/h 12mph North Westerly 16km/h 10mph West North Westerly 18km/h 11mph West North Westerly 18km/h 11mph West North Westerly 18km/h 11mph West North Westerly 18km/h 11mph West North Westerly 18km/h 11mph West North Westerly 18km/h 11mph North Westerly 18km/h 11mph North Westerly 16km/h 10mph West North Westerly 13km/h 8mph West North Westerly 11km/h 7mph West North Westerly 11km/h 7mph West North Westerly 10km/h 6mph West North Westerly 8km/h 5mph West North Westerly 8km/h 5mph West North Westerly 8km/h 5mph West North Westerly 8km/h 5mph West North Westerly 8km/h 5mph West North Westerly      
Wind Direction NW WNW WNW WNW WNW WNW WNW NW NW WNW WNW WNW WNW WNW WNW WNW WNW WNW WNW      
Humidity 67% 57% 56% 53% 49% 50% 48% 52% 53% 55% 61% 67% 71% 73% 77% 79% 82% 84% 85%      
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG G G G      
Pressure (Millibars) 1012 1012 1012 1012 1012 1013 1013 1013 1013 1014 1014 1015 1015 1015 1015 1015 1015 1015 1015      

Wales

Forecast Summary

  • Today

    A mostly dry and fine day, with frequent sunny spells. One or two isolated showers remain possible throughout, although these should be infrequent. Feeling cool, especially when exposed to the fresh northwesterly breeze.

  • Tonight

    Isolated showers will continue in places, however it will mostly be a dry and increasingly clear night. With the wind gradually easing, this will lead to it feeling rather chilly.

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 06:00, Friday 22 Aug Forecast updated Monday to Friday only

UK

UK Forecast Last updated 07:42, Friday 22 Aug

Observations

Observed at 10:00, Friday 22 August

Sunny

14°C 57°F

16km/h 10mph North Westerly

Humidity: 69%

Visibility: Excellent

Pressure: 1012mb, 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