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St-Athan observations (nearest observation site to Mountain Ash)

Mountain Ash forecast
Tue 25 Jul 2017
1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny day Clear night Clear night Clear night
20.8 ° 21.8 ° 22.3 ° 20.9 ° 19.9 ° 19.3 ° 18.8 ° 18.1 ° 17.1 ° 16.2 ° 15.3 °
Wind direction, speed & gust (mph) arrow down
WSW 11 WSW 11 W 10 W 13 W 14 W 13 W 13 W 10 WNW 8 NW 6 NNW 2
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG E VG VG G VG VG VG G G G
Humidity arrow down
77% 70% 66% 69% 76% 80% 82% 84% 89% 93% 93%
Pressure (hPa) arrow down
1016 1016 1015 1015 1015 1014 1013 1013 1013 1013 1013
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F F F F F
Wed 26 Jul 2017
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300
Partly cloudy night Mist Cloudy Mist Overcast Heavy shower night Heavy rain Heavy rain Heavy rain Heavy rain Overcast Light rain Drizzle Light rain
15.1 ° 14.6 ° 14.5 ° 15.5 ° 16.3 ° 16.3 ° 16.1 ° 16.5 ° 16.8 ° 17.3 ° 18.1 ° 17.9 ° 18.2 ° 18.2 °
Wind direction, speed & gust (mph) arrow down
ENE 1 ENE 2 ENE 2 ESE 5 SSE 5 SSE 6 S 5 S 6 WSW 8 SW 6 WSW 7 WSW 10 WSW 9 WSW 16
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G M G G VG M M M M G E M M P
Humidity arrow down
96% 96% 96% 97% 91% 93% 98% 98% 99% 98% 93% 92% 94% 98%
Pressure (hPa) arrow down
1012 1011 1011 1010 1009 1008 1008 1007 1007 1006 1006 1005 1005 1005
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F F F F F F F F
More detail arrow down

Issued at: 1300 on Wed 26 Jul 2017

= No Data