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

Sunny

18°C 64°F 10°C 50°F South Westerly
10km/h 6mph
Tuesday

Sunny Intervals

17°C 63°F 12°C 54°F West South Westerly
18km/h 11mph
Wednesday

Sunny Intervals

17°C 63°F 11°C 52°F West North Westerly
21km/h 13mph
Thursday

Light Cloud

18°C 64°F 15°C 59°F Westerly
23km/h 14mph
Friday

Light Cloud

18°C 64°F 14°C 57°F West South Westerly
19km/h 12mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:59 Sunset 19:13

Last updated 13:04

Weather forecast details for Monday 22 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1600 hours1900 hours2200 hours0100 hours
Tue
0400 hours   
Weather Conditions Sunny Sunny Clear Sky Clear Sky Clear Sky    
Temperature (°C/°F) 17°C 63°F 15°C 59°F 12°C 54°F 12°C 54°F 11°C 52°F    
Wind Speed (mph/km/h) 16km/h 10mph Westerly 14km/h 9mph Westerly 10km/h 6mph North Westerly 10km/h 6mph North Westerly 10km/h 6mph North Westerly    
Wind Direction W W NW NW NW    
Humidity 68% 80% 88% 90% 88%    
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) G G G G G    
Pressure (Millibars) 1026 1025 1026 1025 1024    

Wales

Forecast Summary

  • Today

    A cold start this morning, with a few localised mist and fog patches. Then a fine and dry day with patchy cloud and sunny spells. Feeling pleasant in the sunshine with just a light breeze.

  • Tonight

    Dry with clear spells and light winds overnight, so another chilly one. Once again, a few rural mist and fog patches may develop.

Environmental Summary

UV: 4

UK Range: 1-7

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 19:15, Friday 19 Sep Forecast updated Monday to Friday only

UK

UK Forecast Last updated 12:45, Monday 22 Sep

Observations

Observed at 13:00, Monday 22 September

Sunny

16°C 61°F

11km/h 7mph West South Westerly

Humidity: 70%

Visibility: Good

Pressure: 1027mb, 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