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Weather warnings may have been issued

Lake Vyrnwy SAWS (nearest observation site to Grib Nantlle (Nantlle Ridge) Y Garn)

Saturday (Saturday 20 January 2018)
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 Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Overcast Overcast Overcast Cloudy Cloudy Cloudy Overcast Cloudy
Temperature (°C)
1.4 ° 1.2 ° 1.1 ° 1.0 ° 0.7 ° 0.1 ° 0.0 ° 0.0 ° 0.0 ° -0.1 ° 0.0 ° 0.0 ° 0.0 ° 0.1 ° 0.2 ° -0.1 ° -0.4 ° -0.6 ° -1.2 ° -1.1 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SW 8 WSW 10 SW 3 N 2 E 3 E 5 E 3 NE 2 NNE 1 ENE 6 ENE 5 N 3 NNE 3 NNE 3 NNE 5 N 3 NW 3 NW 3 NW 3 NW 7
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
VG VG VG G M VP VP VP VP VP P P M VG VG E VP M VP M
Humidity Expand
99% 99% 98% 99% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 99% 99% 99%
Pressure (hPa) Expand
1002 1001 1001 1000 1000 1000 1000 1000 1000 999 999 1000 1002 1004 1006 1007 1009 1010 1011 1012
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F F F F F F F R R R R R R R R R
Sunrise: 08:18 Sunset: 16:38 Moon phase: Waxing crescent
Sunday (Sunday 21 January 2018)
00:00 01:00 02:00 03:00 04:00
Overcast Overcast Overcast Overcast Overcast
Temperature (°C)
-0.8 ° -0.7 ° -0.6 ° -0.4 ° -0.3 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
NW 3 N 0 NW 2 N 0 NW 1
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G E VG E VG
Humidity Expand
99% 99% 99% 99% 99%
Pressure (hPa) Expand
1013 1013 1013 1013 1013
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R R R
Sunrise: 08:17 Sunset: 16:40 Moon phase: Waxing crescent

– = No Data

Issued at:

Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Mumbles Head 11.2 °C
Lowest maximum temperature Lake Vyrnwy SAWS 0.4 °C
Lowest minimum temperature Lake Vyrnwy SAWS 0.1 °C
Highest rainfall Aberdaron 8.0 mm
Sunniest Valley 0.9 hours

UK extremes

Parameter Location Value
Highest maximum temperature Exeter Airport 2 12.4 °C
Lowest maximum temperature Kinbrace -3.6 °C
Lowest minimum temperature Dalwhinnie -10.4 °C
Highest rainfall Culdrose 19.2 mm
Sunniest Kinloss 6.4 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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