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

Sunny Intervals

17°C 63°F 14°C 57°F North Easterly
10km/h 6mph
Thursday

Light Cloud

17°C 63°F 15°C 59°F East North Easterly
11km/h 7mph
Friday

Light Cloud

17°C 63°F 14°C 57°F East North Easterly
11km/h 7mph
Saturday

Light Cloud

16°C 61°F 12°C 54°F North North Easterly
16km/h 10mph
Sunday

Light Cloud

16°C 61°F 12°C 54°F South Easterly
14km/h 9mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:59 Sunset 19:36

Last updated 08:19

Weather forecast details for Wednesday 17 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 1000 hours1300 hours1600 hours1900 hours2200 hours0100 hours
Thu
0400 hours 
Weather Conditions Light Cloud Sunny Intervals Sunny Sunny Clear Sky Partly Cloudy Light Cloud  
Temperature (°C/°F) 14°C 57°F 16°C 61°F 17°C 63°F 16°C 61°F 15°C 59°F 14°C 57°F 14°C 57°F  
Wind Speed (mph/km/h) 10km/h 6mph East North Easterly 10km/h 6mph North Easterly 11km/h 7mph North Easterly 8km/h 5mph North Easterly 6km/h 4mph North North Easterly 6km/h 4mph North North Easterly 6km/h 4mph North North Easterly  
Wind Direction ENE NE NE NE NNE NNE NNE  
Humidity 86% 79% 70% 76% 85% 88% 92%  
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) M M G M M M M  
Pressure (Millibars) 1016 1015 1014 1014 1014 1014 1013  

Northern Ireland

Forecast Summary

  • Today

    Overnight mist and low cloud burning off this morning to leave a dry day with some lengthy spells of warm sunshine. Some mistiness may linger along the Down and Antrim coasts. Warm in the sunshine but cooler along east coast.

  • Tonight

    Staying dry with clear periods at first then some patches of mist and fog will form overnight. Temperatures holding up mostly on the mild side with a light easterly wind.

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 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 <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 Newsline

BBC Newsline Forecast Last updated 07:57, Wednesday 17 Sep Forecast updated Monday to Friday only

UK

UK Forecast Last updated 08:39, Wednesday 17 Sep

Observations

Observed at 07:00, Wednesday 17 September

Thick Cloud

14°C 57°F

11km/h 7mph East North Easterly

Humidity: 88%

Visibility: Moderate

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

Information given for most appropriate forecast location. See FAQs for details