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Weather warnings may have been issued

Aberdaron (nearest observation site to Plas-yn-Rhiw)

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 Overcast Overcast Cloudy Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Overcast Cloudy Partly cloudy night Partly cloudy night Clear night Clear night Cloudy Cloudy
Temperature (°C)
4.6 ° 4.6 ° 4.3 ° 4.1 ° 3.9 ° 3.9 ° 3.9 ° 3.8 ° 3.5 ° 3.4 ° 3.2 ° 3.2 ° 3.8 ° 2.8 ° 2.0 ° 1.7 ° 1.2 ° 1.2 ° 1.6 ° 2.1 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
SSW 13 S 10 SSE 8 SE 9 SE 11 SE 13 SE 11 E 13 E 17 ENE 16 ENE 15 NE 13 NNE 8 NNE 3 NNE 13 NNE 9 NNE 8 NE 8 NE 6 ENE 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G VG G VG VG M P M M M VG E M VG E VG VG G VG VG
Humidity Expand
91% 95% 94% 97% 99% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100% 100%
Pressure (hPa) Expand
1002 1001 1000 1000 1000 999 999 999 998 998 999 1000 1002 1004 1006 1008 1010 1010 1012 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: 08:19 Sunset: 16:41 Moon phase: Waxing crescent
Sunday (Sunday 21 January 2018)
00:00 01:00 02:00 03:00
Cloudy Overcast Overcast Overcast
Temperature (°C)
3.2 ° 3.7 ° 3.9 ° 3.6 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
ESE 6 SSE 8 SSE 11 SSE 14
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
E E E G
Humidity Expand
100% 97% 95% 96%
Pressure (hPa) Expand
1013 1013 1013 1013
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
R R R F
Sunrise: 08:18 Sunset: 16:43 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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