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Sennybridge (nearest observation site to Glasfynydd (Usk Reservoir))

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Glasfynydd (Usk Reservoir) forecast
Mon 27 Feb 2017
1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Overcast Heavy shower day Heavy shower day Light shower day Cloudy Heavy snow Overcast Overcast Cloudy Heavy snow shower night
4.0 ° 2.2 ° 2.6 ° 2.3 ° 1.1 ° 0.2 ° 0.1 ° 0.2 ° 0.1 ° 0.1 °
Wind direction, speed & gust (mph) arrow down
SW 13 WSW 10 WNW 6 SW 13 SSW 7 WSW 9 SSW 5 SW 6 S 3 N 0
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E M E E VP VG VG VG P
Humidity arrow down
89% 95% 89% 93% 98% 99% 100% 100% 100% 100%
Pressure (hPa) arrow down
984 983 983 983 983 984 984 984 984 984
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F R R R R R
Tue 28 Feb 2017
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400
Overcast Overcast Light rain Cloudy Light snow shower night Light snow shower night Light rain Cloudy Cloudy Cloudy Cloudy Light rain Cloudy Light rain Light rain
0.2 ° -0.1 ° -0.2 ° -0.7 ° -0.2 ° -0.3 ° -0.8 ° -1.3 ° -0.6 ° 0.2 ° 0.6 ° 1.5 ° 1.0 ° 1.6 ° 3.5 °
Wind direction, speed & gust (mph) arrow down
SSW 3 SW 3 N 0 N 0   N 0 N 0 N 0 N 0 WSW 6 WSW 13 WSW 17 WSW 18 34 WSW 7 WNW 3
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G VG P VG G G G G VG VG VG VG M VG VG
Humidity arrow down
100% 100% 100% 99% 100% 100% 99% 99% 99% 100% 99% 98% 99% 100% 100%
Pressure (hPa) arrow down
984 985 985 985 986 986 987 987 988 988 989 988 988 989 989
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R R R R R R R R R R R R R
More detail arrow down

Issued at: 1400 on Tue 28 Feb 2017

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Scolton Country Park 8.4 °C
Lowest maximum temperature Lake Vyrnwy 3.5 °C
Lowest minimum temperature Lake Vyrnwy 0.9 °C
Highest rainfall Capel Curig 24.4 mm
Sunniest Valley 4.3 hours

UK extremes

Parameter Location Value
Highest maximum temperature Monks Wood 10.8 °C
Lowest maximum temperature Dalwhinnie 1.7 °C
Lowest minimum temperature Fyvie Castle -1.9 °C
Highest rainfall Wiggonholt 28.0 mm
Sunniest Dyce 9.1 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: 2303 on Mon 27 Feb 2017

Weather map

Tue 1400

Weather observation map for Glasfynydd (Usk Reservoir)

Glasfynydd (Usk Reservoir) Glasfynydd (Usk Reservoir) – Light rain 51.9435 -3.7162
Mumbles Head Mumbles Head – No data 51.565 -3.981
Trawsgoed Trawsgoed – Light shower day 52.344 -3.947
St-Athan St-Athan – Cloudy 51.405 -3.44
Lake Vyrnwy SAWS Lake Vyrnwy SAWS – Overcast 52.757 -3.464
Hereford Hereford – Cloudy 52.083 -2.8
Milford Haven C.B. Milford Haven C.B. – Cloudy 51.708 -5.055
Chivenor Chivenor – Sunny intervals 51.089 -4.149
Hawarden Hawarden – Light shower day 53.174 -2.986
Yeovilton Yeovilton – Cloudy 51.006 -2.64
Exeter Airport 2 Exeter Airport 2 – Cloudy 50.7366 -3.40458
Mona Mona – Overcast 53.26 -4.376
Coleshill Coleshill – Cloudy 52.48 -1.689
Lyneham Lyneham – Overcast 51.5031 -1.9924
Leek Leek – Cloudy 53.12755 -1.97993
Little Rissington (ESAWS) Little Rissington (ESAWS) – Cloudy 51.86 -1.692
Mount Batten Mount Batten – Overcast 50.354 -4.121
Benson Benson – Light rain 51.62 -1.097
Middle Wallop Middle Wallop – Light rain 51.149 -1.57
Rostherne No 2 Rostherne No 2 – Heavy shower day 53.3598 -2.3805

Location Details

Glasfynydd (Usk Reservoir)

Location: 51.9435, -3.7162

Altitude: 341.0 m above mean sea level

Sennybridge

Location: 52.063, -3.614

Altitude: 307.0 m above mean sea level

Distance from Glasfynydd (Usk Reservoir): 15.0 km