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St-Athan (nearest observation site to Merthyr Tydfil)

Recent locations
Merthyr Tydfil forecast
Mon 30 May 2016
2000 2100 2200 2300
Sunny day Sunny day Clear night Clear night
18.0 ° 17.5 ° 15.3 ° 15.6 °
Wind direction, speed & gust (mph) arrow down
W 7 NW 6 NNE 6 N 6
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
VG VG E E
Humidity arrow down
63% 64% 68% 66%
Pressure (hPa) arrow down
1018 1019 1020 1020
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
F R R R
Tue 31 May 2016
0000 0100 0200 0300 0400 0500 0600 0700 0800 0900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000
Clear night Clear night Clear night Clear night Clear night Clear night Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Sunny day Cloudy Overcast
15.1 ° 14.5 ° 14.0 ° 13.5 ° 13.4 ° 13.1 ° 13.1 ° 13.7 ° 15.5 ° 17.0 ° 18.3 ° 19.1 ° 20.8 ° 20.9 ° 20.8 ° 21.5 ° 21.5 ° 20.9 ° 21.3 ° 19.8 ° 19.2 °
Wind direction, speed & gust (mph) arrow down
NNW 6 N 7 NNW 7 NNW 6 NW 6 N 8 NNW 9 NW 9 WNW 8 N 10 N 11 N 11 N 11 NNW 15 NNW 13 N 15 N 14 N 13 N 14 NNE 14 N 11
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) arrow down
E E E E E E E E E VG E E E E E E E VG VG E E
Humidity arrow down
69% 73% 76% 76% 71% 70% 69% 67% 61% 52% 46% 45% 45% 45% 40% 40% 44% 47% 50% 53% 56%
Pressure (hPa) arrow down
1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1020 1019 1020 1019 1019 1019 1019 1019 1019 1020 1021
Pressure Tendency (F = Falling, R = Rising, S = Steady) arrow down
R R F F F F R R S F S F F F F F F F R R R
More detail arrow down

Issued at: 2000 on Tue 31 May 2016

= No Data

Extremes

  • Regional
  • UK
  • More info

Wales extremes

Parameter Location Value
Highest maximum temperature Porthmadog 22.5 °C
Lowest maximum temperature Aberporth 15.6 °C
Lowest minimum temperature Bala 4.3 °C
Highest rainfall Aberporth Trace 
Sunniest Valley 15.1 hours

UK extremes

Parameter Location Value
Highest maximum temperature Porthmadog 22.5 °C
Lowest maximum temperature Loftus 10.0 °C
Lowest minimum temperature Shap 1.1 °C
Highest rainfall Prestwick 2.4 mm
Sunniest Tiree 15.8 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 Tue 31 May 2016

Weather map

Tue 2000

Weather observation map for Merthyr Tydfil

Merthyr Tydfil Merthyr Tydfil – Overcast 51.7483 -3.3804
Mumbles Head Mumbles Head – No data 51.565 -3.981
Hereford Hereford – Overcast 52.083 -2.8
Lake Vyrnwy SAWS Lake Vyrnwy SAWS – Sunny day 52.757 -3.464
Chivenor Chivenor – Sunny day 51.089 -4.149
Trawsgoed Trawsgoed – Sunny day 52.344 -3.947
Yeovilton Yeovilton – Heavy rain 51.006 -2.64
Milford Haven C.B. Milford Haven C.B. – Cloudy 51.708 -5.055
Lyneham Lyneham – Cloudy 51.5031 -1.9924
Exeter Airport 2 Exeter Airport 2 – Overcast 50.7366 -3.40458
Coleshill Coleshill – Light rain 52.48 -1.689
Little Rissington (ESAWS) Little Rissington (ESAWS) – Overcast 51.86 -1.692
Hawarden Hawarden – Sunny day 53.174 -2.986
Leek Leek – Light shower day 53.12755 -1.97993
Mount Batten Mount Batten – Sunny intervals 50.354 -4.121
Middle Wallop Middle Wallop – Overcast 51.149 -1.57
Benson Benson – Drizzle 51.62 -1.097
Bedford Bedford – Overcast 52.225 -0.464

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