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

Partly Cloudy

15°C 59°F 9°C 48°F South Westerly
Wind Speed 13 km/h 8 mph
Monday

Light Cloud

15°C 59°F 12°C 54°F Southerly
Wind Speed 8 km/h 5 mph
Tuesday

Light Cloud

16°C 61°F 12°C 54°F Westerly
Wind Speed 24 km/h 15 mph
Wednesday

Thick Cloud

18°C 64°F 12°C 54°F South Westerly
Wind Speed 29 km/h 18 mph
Thursday

Light Rain Shower

15°C 59°F 9°C 48°F West South Westerly
Wind Speed 26 km/h 16 mph

IN ASSOCIATION WITH

Forecast

Sunrise 07:16 Sunset 19:13

Last updated 00:47

Weather forecast details for Sunday 25 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 0400 hours       
Weather Conditions Partly Cloudy        
Temperature (°C/°F) 9°C 48°F        
Wind Speed (mph/km/h) Wind Speed 6 km/h 4 mph South South Westerly        
Wind Direction SSW        
Humidity 89%        
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) G       
Pressure (Millibars) 1015        

Northern Ireland

Forecast Summary

  • Tonight

    Showers will continue through the evening, then turn increasing isolated overnight with many places becoming dry. Some clear spells will develop, but cloud will build from the south later.

Environmental Summary

UV: 2

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 4 6 9 11 11 9 7 4 3
Average Minimum Temperature (°F) 35 35 37 39 43 49 52 51 49 44 39 37
Average Maximum Temperature (°C) 6 7 9 12 15 18 18 18 16 13 9 7
Average Maximum Temperature (°F) 43 44 49 53 59 64 65 65 61 55 48 44
Record Minimum Temperature (°C) -13 -12 -12 -4 -3 -1 4 1 -2 -4 -6 -11
Record Minimum Temperature (°F) 9 11 10 24 26 31 39 34 28 24 21 13
Record Maximum Temperature (°C) 13 14 19 21 26 28 29 28 26 21 16 14
Record Maximum Temperature (°F) 56 57 67 69 79 83 85 82 78 70 61 58
Average Precipitation (mm) 80 52 50 48 52 68 94 77 80 83 72 90
Average Precipitation (inches) 3.2 2.1 2.0 1.9 2.1 2.7 3.7 3.0 3.2 3.3 2.8 3.5
Average Sunlight Hours 1 2 3 5 6 6 4 4 4 3 2 1
Wet Days (+0.1 mm) 20 17 16 16 15 16 19 17 18 19 19 21
Relative Humidity AM 92 91 88 83 79 80 84 87 89 91 92 92
Relative Humidity PM 87 80 74 69 66 71 73 75 78 80 85 89
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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Last updated 17:19 BST, Sunday 25 SepForecast updated Monday to Friday only

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Last updated 23:32 BST, Sunday 25 Sep

Observations

Observed at 01:00, Monday 26 September

Clear Sky

8°C 46°F

Wind Speed 13 km/h 8 mph Southerly

Humidity: 93%

Visibility: Very Good

Pressure: 1015mb, Rising

Observation station: Aldergrove

(Lat: 54.65 | Lon: -6.217)

BBC Weather in association with the Met Office

All times are BST (Europe/London, GMT+0100) unless otherwise stated

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