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Weather warnings may have been issued

Capel Curig (nearest observation site to Cwmystradllyn)

Friday (Friday 19 January 2018)
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
Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Cloudy Overcast Heavy rain Light shower day Cloudy Light shower day Sunny intervals Cloudy Cloudy Cloudy Light shower night Overcast Cloudy Overcast
Temperature (°C)
2.9 ° 2.7 ° 2.7 ° 2.8 ° 2.7 ° 2.9 ° 2.8 ° 3.0 ° 2.0 ° 2.4 ° 3.1 ° 3.4 ° 3.1 ° 3.5 ° 3.4 ° 3.6 ° 3.8 ° 3.6 ° 3.5 ° 3.0 ° 3.3 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
W 21 31 WSW 21 32 WSW 24 33 WSW 17 33 W 22 36 WSW 22 32 WSW 22 32 WSW 19 33 SW 18 31 W 22 36 WSW 19 37 WSW 21 34 WSW 25 41 WSW 21 38 WSW 17 34 WSW 23 36 WSW 24 34 WSW 21 34 WSW 16 34 WSW 19 SW 21 29
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E E E E E VG E E G M E E G E E VG E VG VG VG VG
Humidity Expand
78% 79% 78% 79% 78% 75% 78% 78% 87% 85% 79% 75% 79% 73% 74% 77% 73% 76% 82% 86% 81%
Pressure (hPa) Expand
1006 1006 1006 1006 1006 1006 1007 1007 1007 1007 1007 1007 1007 1007 1007 1007 1007 1007 1007 1007 1006
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R R R R R R R R R F F F F R S F S F F
Sunrise: 08:19 Sunset: 16:37 Moon phase: New
Saturday (Saturday 20 January 2018)
00:00 01:00 02:00 03:00
Overcast Cloudy Cloudy Overcast
Temperature (°C)
3.4 ° 3.5 ° 3.5 ° 3.6 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SW 18 SW 19 SW 14 30 SW 14
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG VG VG VG
Humidity Expand
82% 82% 81% 84%
Pressure (hPa) Expand
1006 1005 1004 1003
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F
Sunrise: 08:18 Sunset: 16:39 Moon phase: Waxing crescent

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Usk No 2 8.2 °C
Lowest maximum temperature Lake Vyrnwy SAWS 2.1 °C
Lowest minimum temperature Cardiff Bute Park -1.1 °C
Highest rainfall Capel Curig 4.8 mm
Sunniest St-Athan 4.4 hours

UK extremes

Parameter Location Value
Highest maximum temperature Scilly St Marys 8.9 °C
Lowest maximum temperature Dalwhinnie -0.6 °C
Lowest minimum temperature Drumnadrochit -6.8 °C
Highest rainfall Campbeltown Airport 14.8 mm
Sunniest Lyneham 6.6 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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