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St-Athan (nearest observation site to Henllys)

Sunday (Sunday 24 September 2017)
21:00 22:00 23:00
Mist Mist Mist
Temperature (°C)
15.9 ° 15.5 ° 15.2 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
W 5 W 6 NNW 3
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
M M M
Humidity Expand
96% 97% 97%
Pressure (hPa) Expand
1018 1018 1018
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R
Sunrise: 07:01 Sunset: 19:07 Moon phase: New
Monday (Monday 25 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 20:00 21:00
Mist Mist Mist Mist Cloudy Cloudy Mist Mist Fog Overcast Mist Overcast Overcast Overcast Cloudy Cloudy Cloudy Cloudy Overcast Overcast Cloudy Clear night
Temperature (°C)
14.9 ° 14.9 ° 14.7 ° 14.2 ° 13.3 ° 13.8 ° 13.8 ° 13.3 ° 13.0 ° 14.0 ° 14.8 ° 15.2 ° 17.1 ° 16.8 ° 17.6 ° 18.1 ° 18.0 ° 17.5 ° 16.3 ° 16.1 ° 15.3 ° 13.9 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
NW 5 WNW 5 NW 6 NNW 3 NE 1 W 3 N 2 WNW 2 WNW 2 W 3 W 6 W 5 W 2 SW 8 WSW 9 WSW 11 W 11 W 10 W 11 W 13 NNE 3 E 7
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
M P M P P M M M VP M M VG VG VG G G VG VG VG G G G
Humidity Expand
98% 98% 97% 99% 99% 99% 99% 98% 99% 99% 96% 89% 81% 85% 82% 78% 77% 82% 87% 89% 90% 91%
Pressure (hPa) Expand
1018 1018 1018 1018 1018 1018 1018 1018 1019 1019 1020 1020 1020 1020 1020 1020 1020 1020 1021 1021 1022 1022
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R F F F F R R R R R R R R F R R R R R R R
Sunrise: 07:02 Sunset: 19:05 Moon phase: Waxing crescent

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Hawarden 19.1 °C
Lowest maximum temperature Lake Vyrnwy SAWS 15.1 °C
Lowest minimum temperature Usk No 2 7.9 °C
Highest rainfall Porthmadog 10.0 mm
Sunniest Hawarden 1.3 hours

UK extremes

Parameter Location Value
Highest maximum temperature Northolt 22.8 °C
Lowest maximum temperature Dalwhinnie 12.7 °C
Lowest minimum temperature South Newington 5.2 °C
Highest rainfall Dundrennan 15.4 mm
Sunniest Shoeburyness 9.3 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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