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St-Athan last 24 hours (nearest observation site to Cardiff)

Tuesday (Tuesday 21 August 2018)
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
Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Light rain Light rain Overcast Overcast Overcast Cloudy Overcast Overcast Sunny intervals Sunny intervals Clear night Cloudy Overcast
Temperature (°C)
15.9 ° 15.5 ° 15.8 ° 15.6 ° 15.5 ° 15.9 ° 16.0 ° 16.3 ° 16.9 ° 16.9 ° 17.2 ° 18.6 ° 18.2 ° 18.5 ° 18.1 ° 18.4 ° 18.0 ° 17.9 ° 17.3 ° 16.6 ° 17.0 ° 17.0 °
Show detail
Wind direction, speed & gust (mph)
WNW 6 NW 5 W 8 W 5 WNW 3 W 6 NW 3 NW 3 NW 5 W 10 W 9 WSW 11 W 7 W 8 W 9 WSW 9 W 10 W 9 WNW 7 WNW 6 W 7 WNW 7
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor)
VG M M VG VG E E G G M M VG E VG G VG E E E E E E
Humidity
94% 96% 97% 96% 96% 91% 90% 90% 91% 93% 93% 84% 83% 79% 83% 79% 83% 78% 84% 87% 86% 88%
Pressure (hPa)
1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1019 1019 1019 1019 1019 1019 1019
Pressure Tendency (F = Falling, R = Rising, S = Steady)
F F F F F F R R R R R S F F F F F F F R R R
Sunrise: 06:07 Sunset: 20:24 Moon phase: First quarter
Wednesday (Wednesday 22 August 2018)
00:00 01:00 02:00
Overcast Overcast Cloudy
Temperature (°C)
17.0 ° 16.7 ° 17.1 °
Show detail
Wind direction, speed & gust (mph)
W 7 W 6 W 7
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor)
E G VG
Humidity
92% 96% 93%
Pressure (hPa)
1019 1019 1018
Pressure Tendency (F = Falling, R = Rising, S = Steady)
F F F
Sunrise: 06:09 Sunset: 20:22 Moon phase: Waxing gibbous

– = No Data

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Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Hawarden 24.8 °C
Lowest maximum temperature Aberdaron 17.9 °C
Lowest minimum temperature Mona 11.3 °C
Highest rainfall Swyddffynnon 1.4 mm
Sunniest Lake Vyrnwy SAWS 7.6 hours

UK extremes

Parameter Location Value
Highest maximum temperature Northolt 27.6 °C
Lowest maximum temperature Fair Isle 13.4 °C
Lowest minimum temperature Altnaharra SAWS 4.5 °C
Highest rainfall South Uist Range 14.6 mm
Sunniest Shoeburyness 10.3 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.

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