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

Sunny

18°C 64°F 13°C 55°F Southerly
Wind Speed 13 km/h 8 mph
Wednesday

Light Cloud

18°C 64°F 14°C 57°F South South Westerly
Wind Speed 18 km/h 11 mph
Thursday

Heavy Rain

15°C 59°F 9°C 48°F South South Westerly
Wind Speed 18 km/h 11 mph
Friday

Light Cloud

17°C 63°F 14°C 57°F South South Westerly
Wind Speed 23 km/h 14 mph
Saturday

Light Cloud

18°C 64°F 14°C 57°F South South Easterly
Wind Speed 24 km/h 15 mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:53 Sunset 19:19

Last updated 14:30

Weather forecast details for Tuesday 19 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
Wed
0400 hours   
Weather Conditions Sunny Light Cloud Light Cloud Light Cloud Partly Cloudy    
Temperature (°C/°F) 17°C 63°F 15°C 59°F 15°C 59°F 14°C 57°F 13°C 55°F    
Wind Speed (mph/km/h) Wind Speed 16 km/h 10 mph Westerly Wind Speed 10 km/h 6 mph Westerly Wind Speed 8 km/h 5 mph West South Westerly Wind Speed 8 km/h 5 mph South Westerly Wind Speed 10 km/h 6 mph South South Westerly    
Wind Direction W W WSW SW SSW    
Humidity 56% 71% 80% 82% 85%    
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VGVGVGVGVG   
Pressure (Millibars) 1021 1021 1022 1021 1019    

Wales

Forecast Summary

  • Today

    It will be a chilly morning, with a little patchy mist. However, it will soon warm up with mist dissipating to leave a dry day with sunny spells. Winds will be light and it will feel pleasant in any sunshine.

  • Tonight

    It will be a dry night with some scattered cloud and a light to moderate southerly wind. A little hill fog may develop across the peaks of the Cambrian Mountains.

Environmental Summary

UV: 4

UK Range: 1-8

Pollution: 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 -- -- -- -- -- -- -- -- -- -- -- --
Discomfort From Heat And Humidity -- -- -- -- -- -- -- -- -- -- -- --

Average Conditions data © Copyright RM, 2011. All rights reserved. Helicon Publishing is a division of RM.

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BBC Wales Today

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Last updated 13:56 BST, Tuesday 19 SepForecast updated Monday to Friday only

UK

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Last updated 12:41 BST, Tuesday 19 Sep

Observations

Observed at 14:00, Tuesday 19 September

Sunny Intervals

17°C 63°F

Wind Speed 16 km/h 10 mph Westerly

Humidity: 70%

Visibility: Excellent

Pressure: 1022mb, 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

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