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St-Athan (nearest observation site to Merthyr Tydfil)

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Merthyr Tydfil forecast
Wed 27 May 2015
0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Cloudy Cloudy Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny intervals Cloudy Cloudy Cloudy Cloudy Overcast Cloudy Drizzle Light rain
7.0 7.6 7.3 7.7 12.2 12.7 12.8 13.6 14.2 15.0 16.9 16.0 15.2 13.9 13.2 12.3 11.0 11.5 11.1 11.3
Wind direction, speed & gust (mph) arrow down
NNE 2 N 3 NNE 3 NNE 3 E 5 S 6 S 6 S 3 SW 5 WSW 7 W 8 W 18 W 18 29 W 15 29 W 17 W 19 31 W 15 31 W 19 29 WSW 18 31 WSW 16
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG VG M M
Humidity arrow down
83% 85% 86% 89% 75% 81% 70% 63% 64% 61% 60% 59% 65% 78% 78% 85% 76% 83% 94% 97%
Pressure (hPa) arrow down
1027 1027 1027 1027 1027 1026 1026 1025 1024 1023 1023 1022 1021 1021 1020 1019 1018 1018 1018 1017
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F F F F F F F F F F F F F F F F
Sunrise: 05:07 Sunset: 21:14 Moon phase: First quarter
Thu 28 May 2015
0000 0100 0200 0300 0400
Light rain Drizzle Drizzle Light rain Cloudy
11.8 11.9 12.0 11.4 10.8
Wind direction, speed & gust (mph) arrow down
WSW 18 30 W 23 36 W 17 31 W 13 W 11
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M G G G VG
Humidity arrow down
97% 96% 94% 90% 84%
Pressure (hPa) arrow down
1016 1016 1015 1015 1015
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F F
Sunrise: 05:06 Sunset: 21:15 Moon phase: First quarter
More detail arrow down

Issued at: 0400 on Thu 28 May 2015

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Cardiff Bute Park 19.3 °C
Lowest maximum temperature Aberdaron 11.4 °C
Lowest minimum temperature Sennybridge 1.6 °C
Highest rainfall Capel Curig 4.2 mm
Sunniest St Athan 8.3 hours

UK extremes

Parameter Location Value
Highest maximum temperature Gravesend 21.3 °C
Lowest maximum temperature Dalwhinnie 8.1 °C
Lowest minimum temperature South Newington 0.3 °C
Highest rainfall Giants Causeway 15.2 mm
Sunniest Wattisham 11.2 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)

Issued at: 0002 on Thu 28 May 2015

Weather map

Thu 0400

Weather observation map for Merthyr Tydfil

Merthyr Tydfil Merthyr Tydfil – Cloudy 51.7483 -3.3804
Mumbles Head Mumbles Head – No data 51.565 -3.981
Hereford Hereford – Cloudy 52.083 -2.8
Lake Vyrnwy SAWS Lake Vyrnwy SAWS – Overcast 52.757 -3.464
Chivenor Chivenor – Cloudy 51.089 -4.149
Trawsgoed Trawsgoed – Cloudy 52.344 -3.947
Yeovilton Yeovilton – Light rain 51.006 -2.64
Milford Haven C.B. Milford Haven C.B. – Clear night 51.708 -5.055
Lyneham Lyneham – Overcast 51.5031 -1.9924
Exeter Airport Exeter Airport – No data 50.737 -3.405
Coleshill Coleshill – Clear night 52.48 -1.689
Little Rissington (ESAWS) Little Rissington (ESAWS) – Partly cloudy night 51.86 -1.692
Hawarden Hawarden – Cloudy 53.174 -2.986
Leek Leek – Cloudy 53.12755 -1.97993
Mount Batten Mount Batten – Partly cloudy night 50.354 -4.121
Middle Wallop Middle Wallop – Overcast 51.149 -1.57
Valley Valley – Partly cloudy night 53.252 -4.537
Benson Benson – Cloudy 51.62 -1.097
Bedford Bedford – Cloudy 52.225 -0.464
Watnall Watnall – Cloudy 53.005 -1.25

Location Details

Merthyr Tydfil

Location: 51.7483, -3.3804

Altitude: 175m above mean sea level

St-Athan

Location: 51.405, -3.44

Altitude: 49 m above mean sea level

Distance from Merthyr Tydfil: 38.4 km