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

Light Cloud

17°C 63°F 13°C 55°F East North Easterly
Wind Speed 11 km/h 7 mph
Saturday

Sunny Intervals

19°C 66°F 14°C 57°F North Easterly
Wind Speed 10 km/h 6 mph
Sunday

Light Cloud

19°C 66°F 14°C 57°F North North Easterly
Wind Speed 14 km/h 9 mph
Monday

Sunny

20°C 68°F 13°C 55°F North Westerly
Wind Speed 18 km/h 11 mph
Tuesday

Light Cloud

19°C 66°F 13°C 55°F West North Westerly
Wind Speed 11 km/h 7 mph

IN ASSOCIATION WITH

Forecast

Sunrise 05:15 Sunset 21:44

Last updated 18:09

Weather forecast details for Friday 21 July. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1900 hours2200 hours0100 hours
Sat
0400 hours    
Weather Conditions Heavy Rain Light Cloud Light Cloud Light Cloud     
Temperature (°C/°F) 14°C 57°F 14°C 57°F 13°C 55°F 13°C 55°F     
Wind Speed (mph/km/h) Wind Speed 14 km/h 9 mph East South Easterly Wind Speed 6 km/h 4 mph Easterly Wind Speed 11 km/h 7 mph East North Easterly Wind Speed 6 km/h 4 mph East North Easterly     
Wind Direction ESE E ENE ENE     
Humidity 82% 83% 87% 89%     
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) GVGVGVG    
Pressure (Millibars) 1001 1002 1003 1004     

Northern Ireland

Forecast Summary

  • This Evening and Tonight

    A mostly dry bright evening with sunny spells though thicker cloud and rain fringes the east coast. Tonight will see some rain across counties Antrim, Down and Armagh, especially near the east coast. Drier in west. Brisk easterly winds easing.

Environmental Summary

UV: 5

UK Range: 1-8

Pollution: Low

UK Range: Low to Very High

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 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 18:03 BST, Friday 21 JulForecast updated Monday to Friday only

UK

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Last updated 17:47 BST, Friday 21 Jul

Observations

Observed at 17:00, Friday 21 July

Light Cloud

16°C 61°F

Wind Speed 26 km/h 16 mph East South Easterly

Humidity: 63%

Visibility: Excellent

Pressure: 1000mb, 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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