Close window
Weather warnings may have been issued

St-Athan (nearest observation site to Treorchy)

Monday (Monday 20 November 2017)
01:00 02:00 03:00 04:00 05:00 06:00 07:00 08:00 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
Light rain Heavy rain Light rain Light rain Light shower day Overcast Heavy shower day Drizzle Light rain Heavy shower day Heavy rain Heavy rain Light rain Light rain Light rain Drizzle Light rain Overcast Overcast
Temperature (°C)
11.2 ° 11.0 ° 11.0 ° 11.2 ° 10.4 ° 11.1 ° 11.1 ° 11.7 ° 11.7 ° 11.7 ° 11.8 ° 11.9 ° 12.0 ° 12.1 ° 12.0 ° 11.9 ° 12.0 ° 12.2 ° 12.1 ° 12.1 ° 12.2 ° 12.2 ° 12.2 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
WSW 15 WSW 14 SW 15 WSW 18 WSW 21 30 WSW 19 31 WSW 22 37 WSW 19 33 W 23 33 WSW 19 32 W 22 34 WSW 19 33 WSW 22 34 W 22 31 W 18 31 W 22 33 W 17 31 W 21 31 W 17 31 W 16 W 17 W 17 W 16
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E VG VG G M M M G M M M G M P P P P P P P M G G
Humidity Expand
81% 86% 84% 85% 96% 96% 95% 93% 95% 96% 96% 96% 97% 97% 99% 99% 99% 98% 99% 99% 98% 97% 95%
Pressure (hPa) Expand
1020 1019 1019 1018 1017 1017 1016 1016 1016 1016 1015 1015 1014 1014 1014 1014 1013 1014 1014 1014 1014 1013 1013
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F F F F F F F F F F F F F F R R R F F
Sunrise: 07:40 Sunset: 16:18 Moon phase: New
Tuesday (Tuesday 21 November 2017)
00:00 01:00
Overcast Cloudy
Temperature (°C)
12.1 ° 12.1 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
WSW 14 WSW 13
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G G
Humidity Expand
94% 92%
Pressure (hPa) Expand
1013 1013
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F
Sunrise: 07:42 Sunset: 16:17 Moon phase: New

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Hawarden 15.5 °C
Lowest maximum temperature Tredegar Bryn Bach Park No 2 10.7 °C
Lowest minimum temperature Aberdaron 4.8 °C
Highest rainfall Capel Curig 21.8 mm
Sunniest Hawarden 1.8 hours

UK extremes

Parameter Location Value
Highest maximum temperature Nantwich Reaseheath Hall 16.6 °C
Lowest maximum temperature Balmoral 1.2 °C
Lowest minimum temperature Baltasound -0.5 °C
Highest rainfall Gt Cumbrae Millport (Observing Site) 24.8 mm
Sunniest Hawarden 1.8 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:

Follow us on

Facebook, Twitter, YouTube, Instagram, or Snapchat Facebook Follow @metoffice on Twitter YouTube Instagram Snapchat