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St-Athan observations (nearest observation site to Ystrad Mynach)

Ystrad Mynach forecast
Fri 21 Jul 2017
0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Heavy shower night Heavy rain Overcast Light rain Light rain Light shower day Overcast Light rain Heavy rain Heavy rain Heavy rain Heavy rain Heavy rain Overcast Cloudy Cloudy Heavy rain Cloudy Clear night
15.1 ° 15.7 ° 15.9 ° 15.8 ° 15.9 ° 16.0 ° 16.5 ° 16.7 ° 15.9 ° 14.0 ° 13.4 ° 13.6 ° 13.0 ° 13.9 ° 13.6 ° 13.9 ° 13.5 ° 12.8 ° 13.1 °
Wind direction, speed & gust (mph) arrow down
S 11 S 11 S 13 S 17 S 17 SSE 17 29 S 17 29 S 16 32 S 16 30 SW 6 33 S 2 ESE 5 SE 5 SSE 6 SSE 5 SSE 5 SSW 5 S 5 SSW 5
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M M G G G G G G M M M G M E E VG G E E
Humidity arrow down
95% 90% 89% 91% 91% 91% 87% 87% 94% 95% 98% 96% 94% 88% 89% 87% 89% 92% 89%
Pressure (hPa) arrow down
1004 1004 1003 1003 1003 1003 1003 1002 1002 1002 1002 1002 1002 1002 1002 1003 1003 1003 1003
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F F F F F F F F R R R R R
Sat 22 Jul 2017
0000 0100 0200 0300 0400 0500
Partly cloudy night Partly cloudy night Cloudy Partly cloudy night Partly cloudy night Clear night
13.3 ° 13.1 ° 13.0 ° 12.9 ° 13.1 ° 12.7 °
Wind direction, speed & gust (mph) arrow down
S 6 S 6 S 5 SSW 6 SSW 7 SSW 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG E VG VG VG VG
Humidity arrow down
87% 85% 86% 88% 84% 87%
Pressure (hPa) arrow down
1004 1004 1004 1005 1004 1005
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R R R R
More detail arrow down

Issued at: 0500 on Sat 22 Jul 2017

= No Data