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St-Athan (nearest observation site to Merthyr Tydfil)

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Merthyr Tydfil forecast
Sat 23 Jul 2016
0300 0400 0500 0600 0700 0800 0900 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
Mist Fog Cloudy Overcast Overcast Overcast Overcast Overcast Cloudy Overcast Cloudy Sunny intervals Sunny day Cloudy Overcast Cloudy Sunny day Cloudy Overcast Overcast
15.9 ° 15.5 ° 15.7 ° 16.1 ° 16.2 ° 16.6 ° 16.9 ° 18.4 ° 18.3 ° 18.8 ° 19.4 ° 19.5 ° 19.7 ° 18.3 ° 18.0 ° 18.7 ° 17.8 ° 17.0 ° 16.9 ° 16.4 °
Wind direction, speed & gust (mph) arrow down
NNE 2 NW 2 WNW 3 W 7 W 8 W 9 WNW 9 W 14 W 13 W 10 WNW 14 WNW 13 WNW 14 WNW 17 WNW 13 WNW 13 WNW 10 WNW 7 WNW 6 NW 3
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
M VP M G VG VG E VG VG VG E E G E VG VG E E VG M
Humidity arrow down
97% 99% 98% 94% 91% 89% 83% 72% 70% 67% 62% 62% 66% 69% 72% 72% 69% 78% 83% 92%
Pressure (hPa) arrow down
1020 1020 1020 1020 1021 1021 1021 1021 1022 1021 1021 1021 1021 1021 1021 1021 1021 1021 1021 1021
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F R R R R R R R F F F F F F R R R
Sun 24 Jul 2016
0000 0100 0200 0300
Heavy rain Cloudy Heavy shower night Cloudy
16.2 ° 16.0 ° 16.2 ° 16.2 °
Wind direction, speed & gust (mph) arrow down
NNE 2 NNE 2 SSE 1 WNW 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
P G P G
Humidity arrow down
97% 98% 99% 98%
Pressure (hPa) arrow down
1021 1020 1020 1020
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F F F F
More detail arrow down

Issued at: 0300 on Sun 24 Jul 2016

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Usk No.2 23.6 °C
Lowest maximum temperature Aberdaron 17.3 °C
Lowest minimum temperature Capel Curig 7.9 °C
Highest rainfall Porthmadog 0.8 mm
Sunniest St Athan 6.1 hours

UK extremes

Parameter Location Value
Highest maximum temperature Northolt 28.7 °C
Lowest maximum temperature Wick Airport 14.8 °C
Lowest minimum temperature Dalwhinnie 5.4 °C
Highest rainfall Stormont Castle 6.2 mm
Sunniest Manston 13.9 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: 0002 on Sun 24 Jul 2016

Weather map

Sun 0300

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 – Overcast 51.089 -4.149
Trawsgoed Trawsgoed – Overcast 52.344 -3.947
Yeovilton Yeovilton – Cloudy 51.006 -2.64
Milford Haven C.B. Milford Haven C.B. – Overcast 51.708 -5.055
Lyneham Lyneham – Partly cloudy night 51.5031 -1.9924
Exeter Airport 2 Exeter Airport 2 – Cloudy 50.7366 -3.40458
Coleshill Coleshill – Clear night 52.48 -1.689
Little Rissington (ESAWS) Little Rissington (ESAWS) – Clear night 51.86 -1.692
Hawarden Hawarden – Overcast 53.174 -2.986
Leek Leek – Cloudy 53.12755 -1.97993
Mount Batten Mount Batten – Cloudy 50.354 -4.121
Middle Wallop Middle Wallop – Clear night 51.149 -1.57
Mona Mona – Overcast 53.26 -4.376
Benson Benson – Clear night 51.62 -1.097

Location Details

Merthyr Tydfil

Location: 51.7483, -3.3804

Altitude: 175.0 m above mean sea level

St-Athan

Location: 51.405, -3.44

Altitude: 49.0 m above mean sea level

Distance from Merthyr Tydfil: 38.4 km