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St-Athan observations (nearest observation site to Merthyr Tydfil)

Merthyr Tydfil forecast
Tue 25 Jul 2017
0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny intervals Sunny day Clear night Clear night Clear night
17.8 ° 19.6 ° 19.5 ° 20.8 ° 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
N 5 SW 6 WSW 10 WSW 9 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
G VG VG VG VG E VG VG G VG VG VG G G G
Humidity arrow down
78% 76% 77% 79% 77% 70% 66% 69% 76% 80% 82% 84% 89% 93% 93%
Pressure (hPa) arrow down
1017 1017 1017 1017 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 F F F F
Wed 26 Jul 2017
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900
Partly cloudy night Mist Cloudy Mist Overcast Heavy shower night Heavy rain Heavy rain Heavy rain Heavy rain
15.1 ° 14.6 ° 14.5 ° 15.5 ° 16.3 ° 16.3 ° 16.1 ° 16.5 ° 16.8 ° 17.3 °
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
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
Humidity arrow down
96% 96% 96% 97% 91% 93% 98% 98% 99% 98%
Pressure (hPa) arrow down
1012 1011 1011 1010 1009 1008 1008 1007 1007 1006
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F F F F
More detail arrow down

Issued at: 0900 on Wed 26 Jul 2017

= No Data