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St-Athan observations (nearest observation site to Henllys)

Henllys forecast
Sat 19 Aug 2017
1800 1900 2000 2100 2200 2300
Cloudy Cloudy Cloudy Partly cloudy night Cloudy Cloudy
16.4 ° 16.0 ° 15.5 ° 14.9 ° 15.1 ° 15.0 °
Wind direction, speed & gust (mph) arrow down
W 18 31 W 17 29 W 14 W 11 W 10 W 11
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG VG VG
Humidity arrow down
62% 66% 67% 71% 69% 75%
Pressure (hPa) arrow down
1021 1021 1021 1021 1022 1022
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R R R R
Sun 20 Aug 2017
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800
Cloudy Cloudy Cloudy Cloudy Overcast Cloudy Overcast Cloudy Cloudy Cloudy Cloudy Overcast Overcast Overcast Light shower day Drizzle Heavy rain Overcast Overcast
14.6 ° 14.5 ° 14.4 ° 13.9 ° 13.6 ° 14.4 ° 14.2 ° 14.1 ° 14.8 ° 15.3 ° 16.0 ° 15.7 ° 16.2 ° 16.4 ° 16.1 ° 15.3 ° 15.0 ° 15.4 ° 15.5 °
Wind direction, speed & gust (mph) arrow down
W 10 W 9 W 8 W 7 W 9 W 7 W 7 WSW 10 WSW 8 SW 5 SSW 3 SSW 5 SSW 6 S 5 S 6 SE 8 SSE 7 SE 10 SE 10
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG G VG G G VG VG VG VG VG VG E VG VG VG VG M E E
Humidity arrow down
75% 79% 80% 85% 88% 78% 76% 81% 77% 77% 75% 80% 74% 76% 79% 91% 94% 93% 91%
Pressure (hPa) arrow down
1022 1022 1022 1022 1022 1022 1022 1023 1023 1023 1024 1024 1024 1023 1023 1023 1023 1021 1021
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R S R F F R R R R R R F F F F F F
More detail arrow down

Issued at: 1800 on Sun 20 Aug 2017

= No Data