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Weather warnings may have been issued

Heathrow (nearest observation site to Hounslow)

Tuesday (Tuesday 16 January 2018)
07:00 08:00 09:00 10:00 11:00 12:00 13:00 14:00 15:00 16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Clear night Cloudy Sunny day Sunny day Cloudy Sunny intervals Cloudy Cloudy Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Partly cloudy night Partly cloudy night Cloudy Cloudy
Temperature (°C)
5.3 ° 5.5 ° 5.3 ° 5.8 ° 5.9 ° 7.4 ° 7.8 ° 7.4 ° 6.3 ° 5.9 ° 5.7 ° 4.2 ° 3.4 ° 3.2 ° 3.4 ° 3.1 ° 3.1 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
W 18 W 19 29 W 19 29 WSW 21 30 W 22 31 W 21 31 W 25 34 W 23 38 W 21 32 WSW 16 30 SW 16 WSW 16 31 W 17 WSW 16 WSW 17 W 16 WSW 17
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E VG VG G VG E VG VG VG G G VG VG E VG VG VG
Humidity Expand
75% 73% 71% 73% 71% 62% 57% 54% 60% 65% 71% 76% 82% 83% 82% 83% 78%
Pressure (hPa) Expand
995 996 996 997 997 997 997 996 996 996 995 995 995 995 995 995 996
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R R R R F F F F F F F R F R R
Sunrise: 08:00 Sunset: 16:23 Moon phase: New
Wednesday (Wednesday 17 January 2018)
00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00
Cloudy Clear night Cloudy Partly cloudy night Clear night Clear night Clear night Clear night
Temperature (°C)
2.8 ° 2.5 ° 2.7 ° 2.5 ° 2.6 ° 3.0 ° 2.8 ° 3.3 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
WSW 21 29 W 19 30 W 19 W 16 32 W 16 32 W 16 W 21 29 W 22 34
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E E E E E VG VG VG
Humidity Expand
76% 74% 70% 72% 71% 70% 71% 71%
Pressure (hPa) Expand
996 997 998 999 1000 1001 1001 1003
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R R R R R R
Sunrise: 07:59 Sunset: 16:25 Moon phase: New

– = No Data

Issued at:

Extremes

London & South East England extremes

Parameter Location Value
Highest maximum temperature Heathrow 8.3 °C
Lowest maximum temperature Stowe 6.0 °C
Lowest minimum temperature South Newington 2.4 °C
Highest rainfall Otterbourne W Wks 6.4 mm
Sunniest Manston 5.1 hours

UK extremes

Parameter Location Value
Highest maximum temperature Scilly St Marys 9.5 °C
Lowest maximum temperature Dalwhinnie -0.7 °C
Lowest minimum temperature Braemar No2 -2.1 °C
Highest rainfall Sheffield Cdl 17.0 mm
Sunniest Wattisham 6.4 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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