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Weather warnings may have been issued

Heathrow (nearest observation site to London Heathrow Airport)

Tuesday (Tuesday 19 September 2017)
12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Sunny intervals Cloudy Cloudy Cloudy Overcast Cloudy Sunny day Sunny day Clear night Clear night Clear night Clear night
Temperature (°C)
14.4 ° 14.1 ° 15.0 ° 14.9 ° 15.6 ° 15.2 ° 15.9 ° 14.6 ° 13.6 ° 12.9 ° 12.3 ° 11.3 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
NNE 5 N 2 W 6 W 8 W 8 W 7 NNW 5 NNE 2 SSW 5 S 8 SSW 7 SSW 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG E E E E VG E E E E VG VG
Humidity Expand
68% 62% 61% 60% 61% 55% 54% 58% 64% 72% 81% 85%
Pressure (hPa) Expand
1022 1022 1022 1022 1022 1022 1022 1022 1022 1022 1022 1022
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R F R R F F F F R R R F
Sunrise: 06:42 Sunset: 19:08 Moon phase: Waning crescent
Wednesday (Wednesday 20 September 2017)
00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00 10:00 11:00 12:00
Clear night Partly cloudy night Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night Clear night Cloudy Cloudy Overcast Overcast Cloudy
Temperature (°C)
10.2 ° 9.8 ° 10.1 ° 10.0 ° 10.6 ° 10.1 ° 10.1 ° 10.3 ° 11.5 ° 12.9 ° 14.4 ° 15.5 ° 16.0 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SSW 5 SW 3 S 2 SSW 3 SW 5 SW 3 S 1 S 3 SSW 6 SSW 6 SSW 8 SW 10 SSW 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG G G G G G G G G G VG E VG
Humidity Expand
90% 95% 95% 96% 97% 95% 96% 97% 96% 92% 87% 82% 76%
Pressure (hPa) Expand
1022 1022 1021 1021 1021 1020 1020 1020 1020 1020 1020 1020 1019
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F F F F F F F F F
Sunrise: 06:44 Sunset: 19:06 Moon phase: Waning crescent

– = No Data

Issued at:

Extremes

London & South East England extremes

Parameter Location Value
Highest maximum temperature Brize Norton 17.3 °C
Lowest maximum temperature Kenley 14.3 °C
Lowest minimum temperature South Newington 5.0 °C
Highest rainfall Charlwood 7.6 mm
Sunniest Brize Norton 8.6 hours

UK extremes

Parameter Location Value
Highest maximum temperature Mumbles Head 18.8 °C
Lowest maximum temperature Fair Isle 12.8 °C
Lowest minimum temperature Braemar No2 -0.8 °C
Highest rainfall Cromer 10.6 mm
Sunniest Leuchars 10.8 hours

About extremes

Highest maximum temperature - (0900 to 2100 on the date shown)

Lowest maximum temperature - (0900 to 2100 on the date shown)

Lowest minimum temperature - (2100 on the previous day to 0900 on the date shown)

Highest rainfall -(2100 on the previous day to 2100 on the date shown)

Sunniest - (2100 on the previous day to 2100 on the date shown)

The information shown is initial data as it is received; observations are subject to final quality control after publication on this website. This is particularly the case for rainfall totals during snow events.

Issued at:

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