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St-Athan (nearest observation site to Maerdy)

Friday (Friday 22 September 2017)
16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Heavy shower day Overcast Overcast Cloudy Overcast Overcast Light rain Overcast
Temperature (°C)
14.8 ° 15.6 ° 15.5 ° 15.0 ° 14.8 ° 14.8 ° 14.7 ° 14.7 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
S 9 SSW 9 SSW 10 SSW 8 S 8 SSW 10 S 7 S 8
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G VG E E VG E E E
Humidity Expand
84% 76% 78% 84% 85% 82% 84% 87%
Pressure (hPa) Expand
1019 1019 1019 1019 1019 1019 1020 1020
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F S R R R
Sunrise: 06:59 Sunset: 19:13 Moon phase: New
Saturday (Saturday 23 September 2017)
00:00 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
Overcast Overcast Overcast Overcast Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Sunny day Cloudy Sunny day Sunny day Sunny day
Temperature (°C)
14.6 ° 14.6 ° 14.8 ° 14.8 ° 14.6 ° 14.7 ° 15.0 ° 15.0 ° 15.0 ° 15.0 ° 15.5 ° 16.2 ° 17.6 ° 18.2 ° 18.1 ° 18.2 ° 17.5 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
S 8 SW 5 S 6 S 6 S 5 SSE 3 S 5 S 6 SSE 8 SSE 8 SSE 7 SSE 10 SSE 10 SSE 8 SSE 9 SE 10 SSE 9
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E M E E E VG VG E E E VG VG VG VG VG E VG
Humidity Expand
87% 91% 90% 90% 92% 94% 91% 90% 92% 93% 93% 87% 76% 70% 65% 63% 69%
Pressure (hPa) Expand
1020 1020 1020 1019 1019 1019 1019 1019 1019 1020 1020 1020 1020 1020 1019 1019 1019
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R F F F F F R R R R R S F F F F
Sunrise: 07:01 Sunset: 19:11 Moon phase: New

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Cardiff Bute Park 18.4 °C
Lowest maximum temperature Lake Vyrnwy SAWS 12.5 °C
Lowest minimum temperature Llysdinam 2.5 °C
Highest rainfall Whitechurch 16.0 mm
Sunniest St-Athan 4.4 hours

UK extremes

Parameter Location Value
Highest maximum temperature Gravesend-Broadness 19.2 °C
Lowest maximum temperature Dalwhinnie 10.6 °C
Lowest minimum temperature Altnaharra SAWS -1.2 °C
Highest rainfall Harris Quidnish 20.0 mm
Sunniest Shoeburyness 11.4 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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