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Capel Curig (nearest observation site to Cwmystradllyn)

Wednesday (Wednesday 13 December 2017)
16:00 17:00 18:00 19:00 20:00 21:00 22:00 23:00
Cloudy Heavy shower night Heavy rain Heavy rain Light shower night Overcast Overcast Overcast
Temperature (°C)
4.4 ° 2.7 ° 2.3 ° 1.3 ° 2.7 ° 3.0 ° 3.5 ° 3.7 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
W 28 40 WSW 19 33 W 18 32 W 19 37 W 30 51 W 24 48 W 32 53 WSW 29 51
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG M M P G E VG VG
Humidity Expand
75% 85% 95% 92% 84% 82% 79% 83%
Pressure (hPa) Expand
990 989 988 989 989 990 990 990
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F R R R
Sunrise: 08:21 Sunset: 16:00 Moon phase: Third quarter
Thursday (Thursday 14 December 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
Light rain Heavy shower night Light shower night Light shower night Overcast Heavy rain Cloudy Cloudy Cloudy Cloudy Overcast Light shower day Overcast Overcast Cloudy Cloudy Light shower night
Temperature (°C)
3.7 ° 3.3 ° 4.1 ° 3.7 ° 4.1 ° 3.3 ° 3.7 ° 3.3 ° 3.0 ° 3.5 ° 3.4 ° 3.7 ° 4.2 ° 4.2 ° 4.2 ° 4.3 ° 4.3 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
W 31 53 W 33 54 W 34 55 W 37 55 W 32 52 WSW 32 49 W 30 47 WSW 29 43 WSW 24 39 W 30 43 WSW 25 41 W 25 36 WSW 24 37 WSW 29 48 W 32 49 W 32 46 W 28 41
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG P VG M VG G VG E VG E VG M VG G VG G G
Humidity Expand
86% 92% 80% 85% 80% 86% 79% 82% 88% 79% 83% 84% 82% 84% 82% 84% 87%
Pressure (hPa) Expand
990 990 990 990 989 990 989 989 989 988 988 988 987 986 985 985 984
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F R F F F F F F F F F F F F F
Sunrise: 08:22 Sunset: 16:00 Moon phase: Waning crescent

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Mumbles Head 9.9 °C
Lowest maximum temperature Tredegar Bryn Bach Park No 2 5.3 °C
Lowest minimum temperature Llysdinam 0.7 °C
Highest rainfall Llysdinam 32.6 mm
Sunniest Aberdaron 1.9 hours

UK extremes

Parameter Location Value
Highest maximum temperature Scilly St Marys 11.4 °C
Lowest maximum temperature Dalwhinnie 1.6 °C
Lowest minimum temperature Drumnadrochit -3.1 °C
Highest rainfall Loch Glascarnoch SAWS 34.6 mm
Sunniest Dundrennan 2.2 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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