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Heathrow (nearest observation site to Slough)

Monday (Monday 18 September 2017)
19:00 20:00 21:00 22:00 23:00
Cloudy Overcast Heavy shower night Heavy rain Heavy rain
Temperature (°C)
13.3 ° 13.0 ° 12.7 ° 11.6 ° 11.1 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
NNW 3 WNW 3 WNW 7 NNW 5 NW 3
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E E G G G
Humidity Expand
73% 79% 81% 92% 94%
Pressure (hPa) Expand
1018 1019 1019 1020 1020
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R R R
Sunrise: 06:41 Sunset: 19:11 Moon phase: Waning crescent
Tuesday (Tuesday 19 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 13:00 14:00 15:00 16:00 17:00 18:00 19:00
Light rain Light rain Light rain Overcast Mist Mist Mist Mist Mist Sunny day Cloudy Sunny intervals Sunny intervals Cloudy Cloudy Cloudy Overcast Cloudy Sunny day Sunny day
Temperature (°C)
10.8 ° 10.6 ° 10.5 ° 10.5 ° 9.8 ° 9.0 ° 8.6 ° 8.6 ° 8.8 ° 10.4 ° 11.4 ° 12.2 ° 14.4 ° 14.1 ° 15.0 ° 14.9 ° 15.6 ° 15.2 ° 15.9 ° 14.6 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
WNW 3 NNW 2 NW 3 WNW 3 NW 5 NW 5 NW 3 WNW 6 NW 3 WNW 6 NNW 5 NW 5 NNE 5 N 2 W 6 W 8 W 8 W 7 NNW 5 NNE 2
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG M G M M M M M M M G VG VG E E E E VG E E
Humidity Expand
94% 95% 96% 97% 96% 97% 97% 97% 97% 93% 87% 78% 68% 62% 61% 60% 61% 55% 54% 58%
Pressure (hPa) Expand
1020 1020 1020 1020 1020 1020 1021 1021 1021 1022 1022 1022 1022 1022 1022 1022 1022 1022 1022 1022
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R S R S R R R R R R R F R R F F F F
Sunrise: 06:43 Sunset: 19:09 Moon phase: Waning crescent

– = No Data

Issued at:

Extremes

London & South East England extremes

Parameter Location Value
Highest maximum temperature Wiggonholt 18.5 °C
Lowest maximum temperature Wych Cross 14.6 °C
Lowest minimum temperature Otterbourne W Wks 7.0 °C
Highest rainfall Reading University Whiteknights 8.2 mm
Sunniest Herstmonceux West End 4.7 hours

UK extremes

Parameter Location Value
Highest maximum temperature Wiggonholt 18.5 °C
Lowest maximum temperature Carterhouse 10.3 °C
Lowest minimum temperature Castlederg 0.3 °C
Highest rainfall Writtle 17.6 mm
Sunniest Thomastown 9.4 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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