Weather Merthyr Tydfil

Daily forecast
Day Weather Maximum Day Temperature Minimum Night Temperature Wind Direction and Speed

Thick Cloud

8°C 46°F 5°C 41°F West South Westerly
13km/h 8mph

Light Cloud

10°C 50°F 6°C 43°F South Westerly
23km/h 14mph

Light Cloud

10°C 50°F 6°C 43°F South Westerly
24km/h 15mph

Heavy Rain

9°C 48°F 1°C 34°F West South Westerly
18km/h 11mph

Heavy Rain

9°C 48°F 5°C 41°F Southerly
23km/h 14mph



Sunrise 06:51 Sunset 18:00

Last updated 18:10

Weather forecast details for Thursday 5 March. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 2100 hours0000 hours
0300 hours     
Weather Conditions Thick Cloud Thick Cloud Light Rain      
Temperature (°C/°F) 6°C 43°F 6°C 43°F 6°C 43°F      
Wind Speed (mph/km/h) 13km/h 8mph West South Westerly 13km/h 8mph West South Westerly 13km/h 8mph South Westerly      
Wind Direction WSW WSW SW      
Humidity 84% 87% 91%      
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) VG VG G      
Pressure (Millibars) 1037 1036 1035      


Forecast Summary

  • This Evening and Tonight

    Generally cloudy skies with the odd clear spell possible in the east. Cloud will be thick enough that a spot of light rain or drizzle is possible over northwestern hills, but mainly dry elsewhere. Staying breezy but milder and frost-free.

Environmental Summary

UV: 1

UK Range: 1-7

Pollution: Low

UK Range: Low to Very High

Share this page

RSS Feeds

Forecast Video

BBC Wales Today

BBC Wales Today Forecast Last updated 18:57, Thursday 5 Mar Forecast updated Monday to Friday only


UK Forecast Last updated 12:08, Thursday 5 Mar


Observed at 18:00, Thursday 5 March

Light Cloud

8°C 46°F

16km/h 10mph Westerly

Humidity: 73%

Visibility: Very Good

Pressure: 1038mb, Falling

Observation station: Sennybridge

(Lat: 52.067 | Lon: -3.617)

BBC Weather in association with the Met Office

All times are GMT (Europe/London, GMT+0000) unless otherwise stated

Information given for most appropriate forecast location. See FAQs for details