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

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Glasfynydd (Usk Reservoir) forecast
Tue 27 Sep 2016
2000 2100 2200 2300
Clear night Mist Mist Mist
11.4 ° 11.6 ° 11.3 ° 11.9 °
Wind direction, speed & gust (mph) arrow down
S 5 SSW 10 SW 10 SW 14
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
G M M M
Humidity arrow down
95% 99% 99% 99%
Pressure (hPa) arrow down
1024 1024 1025 1025
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R R R
Wed 28 Sep 2016
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
Mist Mist Mist Mist Mist Mist Mist Heavy rain Drizzle Drizzle Light rain Overcast Overcast Overcast Drizzle Drizzle Drizzle Drizzle Overcast Drizzle Drizzle
12.1 ° 12.1 ° 12.1 ° 11.9 ° 11.7 ° 11.6 ° 11.9 ° 12.2 ° 12.7 ° 13.1 ° 13.9 ° 14.6 ° 15.2 ° 15.5 ° 15.5 ° 15.5 ° 15.6 ° 15.7 ° 16.2 ° 15.7 ° 15.4 °
Wind direction, speed & gust (mph) arrow down
SW 13 SW 16 SW 15 SW 13 SW 15 WSW 15 WSW 15 SW 14 SW 11 SW 11 SW 13 SW 15 SW 16 SW 15 SW 13 SW 14 SW 11 SSW 16 SW 14 SW 19 32 SW 18 30
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M M M M M M M P P P M G G G M P M VP P M M
Humidity arrow down
99% 97% 97% 98% 98% 98% 99% 100% 100% 100% 100% 99% 100% 100% 99% 100% 100% 99% 100% 100% 100%
Pressure (hPa) arrow down
1025 1025 1025 1025 1025 1024 1024 1024 1024 1025 1025 1024 1024 1024 1024 1023 1023 1021 1021 1020 1019
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R F F F F F F R R R R F F F F F F F F F
More detail arrow down

Issued at: 2000 on Wed 28 Sep 2016

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Hawarden 20.8 °C
Lowest maximum temperature Lake Vyrnwy 15.7 °C
Lowest minimum temperature Lake Vyrnwy 11.1 °C
Highest rainfall Capel Curig 11.2 mm
Sunniest Aberdaron 4.9 hours

UK extremes

Parameter Location Value
Highest maximum temperature Gravesend 21.9 °C
Lowest maximum temperature Loch Glascarnoch 12.6 °C
Lowest minimum temperature Aboyne 3.1 °C
Highest rainfall Cassley 34.2 mm
Sunniest Leuchars 6.7 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: 0002 on Wed 28 Sep 2016

Weather map

Wed 2000

Weather observation map for Glasfynydd (Usk Reservoir)

Glasfynydd (Usk Reservoir) Glasfynydd (Usk Reservoir) – Drizzle 51.9435 -3.7162
Mumbles Head Mumbles Head – No data 51.565 -3.981
Trawsgoed Trawsgoed – Cloudy 52.344 -3.947
St-Athan St-Athan – Overcast 51.405 -3.44
Lake Vyrnwy SAWS Lake Vyrnwy SAWS – Cloudy 52.757 -3.464
Hereford Hereford – Overcast 52.083 -2.8
Milford Haven C.B. Milford Haven C.B. – Overcast 51.708 -5.055
Chivenor Chivenor – Overcast 51.089 -4.149
Hawarden Hawarden – Cloudy 53.174 -2.986
Yeovilton Yeovilton – Overcast 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 – Overcast 53.12755 -1.97993
Little Rissington (ESAWS) Little Rissington (ESAWS) – Overcast 51.86 -1.692
Mount Batten Mount Batten – Drizzle 50.354 -4.121
Benson Benson – Overcast 51.62 -1.097
Middle Wallop Middle Wallop – Mist 51.149 -1.57
Rostherne No 2 Rostherne No 2 – Clear night 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