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St-Athan (nearest observation site to Mountain Ash)

Wednesday (Wednesday 18 October 2017)
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 22:00 23:00
Heavy rain Drizzle Drizzle Drizzle Drizzle Drizzle Overcast Overcast Drizzle Drizzle Drizzle Drizzle Drizzle Drizzle Overcast
Temperature (°C)
10.2 ° 10.3 ° 10.6 ° 10.9 ° 11.3 ° 11.3 ° 11.6 ° 11.4 ° 11.4 ° 11.4 ° 11.4 ° 11.5 ° 11.8 ° 12.0 ° 12.4 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
ENE 11 E 13 E 14 E 13 E 14 E 8 E 8 E 7 ENE 9 ENE 8 ENE 7 E 7 E 7 E 9 ESE 7
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
M M M M M M M M M M M P P P M
Humidity Expand
97% 97% 96% 95% 94% 93% 93% 95% 96% 97% 97% 98% 98% 98% 98%
Pressure (hPa) Expand
1012 1012 1011 1011 1011 1010 1010 1010 1010 1010 1010 1010 1009 1009 1009
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F F F F F F F R F F F
Sunrise: 07:42 Sunset: 18:14 Moon phase: Waning crescent
Thursday (Thursday 19 October 2017)
00:00 01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 09:00
Drizzle Cloudy Drizzle Drizzle Cloudy Overcast Drizzle Drizzle Drizzle Drizzle
Temperature (°C)
12.5 ° 12.8 ° 12.7 ° 12.3 ° 12.5 ° 12.3 ° 11.8 ° 12.0 ° 11.7 ° 11.7 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SSE 7 ESE 7 SE 7 ESE 8 ESE 7 E 7 ESE 8 ESE 9 E 10 E 9
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
M M M P P P P P VP P
Humidity Expand
94% 93% 92% 97% 97% 97% 99% 99% 99% 99%
Pressure (hPa) Expand
1009 1008 1008 1008 1007 1006 1005 1005 1004 1004
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F F F F F F
Sunrise: 07:44 Sunset: 18:12 Moon phase: New

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Valley 15.7 °C
Lowest maximum temperature Lake Vyrnwy SAWS 8.8 °C
Lowest minimum temperature Capel Curig -0.4 °C
Highest rainfall Mumbles Head 1.8 mm
Sunniest Valley 5.2 hours

UK extremes

Parameter Location Value
Highest maximum temperature Herstmonceux West End 18.5 °C
Lowest maximum temperature Braemar No2 8.7 °C
Lowest minimum temperature Capel Curig -0.4 °C
Highest rainfall Woburn 19.6 mm
Sunniest Dundrennan 5.6 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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