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Mona (nearest observation site to Caernarfon)

Wednesday (Wednesday 21 February 2018)
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
Clear night Clear night Cloudy Sunny intervals Sunny day Cloudy Cloudy Overcast Overcast Overcast Overcast Cloudy Overcast Overcast Overcast Overcast Overcast Partly cloudy night
Temperature (°C)
1.1 ° 0.1 ° 2.2 ° 3.9 ° 6.2 ° 7.3 ° 7.0 ° 7.0 ° 7.0 ° 6.7 ° 6.7 ° 5.5 ° 5.3 ° 4.9 ° 5.3 ° 5.1 ° 4.8 ° 2.5 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
NE 5 NE 6 ENE 5 ENE 5 ENE 5 E 5 ENE 7 ENE 7 ENE 7 NE 7 ENE 5 ENE 6 NE 5 ENE 5 E 3 ESE 5 SE 3 SW 1
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G G G G G VG G G G G G G G G G G G G
Humidity Expand
99% 99% 99% 99% 95% 79% 81% 83% 84% 86% 85% 84% 88% 89% 84% 82% 81% 82%
Pressure (hPa) Expand
1029 1029 1029 1029 1030 1029 1029 1029 1028 1027 1027 1027 1027 1027 1027 1027 1027 1027
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F R R R F F F F F F F F R S S F
Sunrise: 07:23 Sunset: 17:39 Moon phase: Waxing crescent
Thursday (Thursday 22 February 2018)
00:00 01:00 02:00 03:00 04:00 05:00 06:00
Cloudy Clear night Clear night Clear night Clear night Cloudy Overcast
Temperature (°C)
2.2 ° 1.0 ° 0.0 ° -0.8 ° -0.6 ° 0.0 ° -0.1 °
Show detail Show detail
Wind direction, speed & gust (mph) Expand
ENE 5 ENE 5 ENE 2 ENE 5 E 5 N 0 NE 1
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) Expand
G G G G G G G
Humidity Expand
88% 89% 92% 92% 95% 94% 95%
Pressure (hPa) Expand
1026 1026 1026 1026 1025 1025 1025
Pressure Tendency (F = Falling, R = Rising, S = Steady) Expand
F F F F F F F
Sunrise: 07:21 Sunset: 17:41 Moon phase: First quarter

– = No Data

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Extremes

Wales extremes

Parameter Location Value
Highest maximum temperature Milford Haven C.B. 9.2 °C
Lowest maximum temperature Lake Vyrnwy SAWS 4.5 °C
Lowest minimum temperature Swyddffynnon -1.3 °C
Highest rainfall Scolton Country Park 0.2 mm
Sunniest St-Athan 2.8 hours

UK extremes

Parameter Location Value
Highest maximum temperature Bridgefoot 10.5 °C
Lowest maximum temperature High Wycombe 4.4 °C
Lowest minimum temperature Tulloch Bridge -6.0 °C
Highest rainfall Scarborough 2.8 mm
Sunniest Charterhall 8.9 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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