Weather Merthyr Tydfil

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Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed
Wednesday

Heavy Rain

17°C 63°F 13°C 55°F Southerly
Wind Speed 14 km/h 9 mph
Thursday

Light Rain Shower

14°C 57°F 7°C 45°F Westerly
Wind Speed 13 km/h 8 mph
Friday

Light Rain

15°C 59°F 13°C 55°F South South Westerly
Wind Speed 19 km/h 12 mph
Saturday

Sunny Intervals

17°C 63°F 11°C 52°F South South Easterly
Wind Speed 21 km/h 13 mph
Sunday

Light Cloud

17°C 63°F 12°C 54°F South South Easterly
Wind Speed 14 km/h 9 mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:56 Sunset 19:17

Last updated 19:28

Weather forecast details for Wednesday 20 September. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 2200 hours0100 hours
Thu
0400 hours     
Weather Conditions Heavy Rain Heavy Rain Thick Cloud      
Temperature (°C/°F) 13°C 55°F 13°C 55°F 13°C 55°F      
Wind Speed (mph/km/h) Wind Speed 10 km/h 6 mph South South Easterly Wind Speed 14 km/h 9 mph Southerly Wind Speed 16 km/h 10 mph South South Easterly      
Wind Direction SSE S SSE      
Humidity 96% 95% 96%      
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) MMM     
Pressure (Millibars) 1014 1013 1012      

Wales

Forecast Summary

  • This Evening and Tonight

    Cloud will thicken across all parts of the region overnight with outbreaks of rain. It will become windy for many, particularly over exposed coasts and hills.

Environmental Summary

UV: 2

UK Range: 1-8

Pollution: Low

UK Range: Low to Very High

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Forecast Video

BBC Wales Today

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Last updated 14:12 BST, Wednesday 20 SepForecast updated Monday to Friday only

UK

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Last updated 17:32 BST, Wednesday 20 Sep

Observations

Observed at 19:00, Wednesday 20 September

Thick Cloud

14°C 57°F

Wind Speed 11 km/h 7 mph Southerly

Humidity: 93%

Visibility: Very Good

Pressure: 1015mb, Falling

Observation station: Sennybridge

(Lat: 52.067 | Lon: -3.617)

BBC Weather in association with the Met Office

All times are BST (Europe/London, GMT+0100) unless otherwise stated

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