Weather Merthyr Tydfil

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

Light Cloud

21°C 70°F 15°C 59°F South Easterly
Wind Speed 5 km/h 3 mph
Wednesday

Light Cloud

18°C 64°F 13°C 55°F Westerly
Wind Speed 16 km/h 10 mph
Thursday

Light Cloud

17°C 63°F 12°C 54°F Westerly
Wind Speed 16 km/h 10 mph
Friday

Light Cloud

18°C 64°F 13°C 55°F Southerly
Wind Speed 10 km/h 6 mph
Saturday

Light Cloud

20°C 68°F 12°C 54°F South Westerly
Wind Speed 8 km/h 5 mph

IN ASSOCIATION WITH

Forecast

Sunrise 06:09 Sunset 20:23

Last updated 03:13

Weather forecast details for Tuesday 22 August. Each column contains hourly forecast details for weather conditions, temperature, wind speed, wind direction, humidity, visibility and pressure.
Time 0400 hours       
Weather Conditions Thick Cloud        
Temperature (°C/°F) 16°C 61°F        
Wind Speed (mph/km/h) Wind Speed 8 km/h 5 mph South Westerly        
Wind Direction SW        
Humidity 95%        
Visibility (E = Excellent, VG = Very Good, G = Good, M = Moderate, P = Poor, VP = Very Poor) M       
Pressure (Millibars) 1011        

Wales

Forecast Summary

  • Tonight

    Showers may turn more frequent for a time through the evening across north Wales. However, these will fade, but cloudy will thicken bringing hill fog, mist and some patchy drizzle.

Environmental Summary

UV: 4

UK Range: 1-8

Pollution: Low

UK Range: Low to Very High

Pollen: Moderate

UK Range: Low to Very High

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Forecast Video

BBC Wales Today

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Last updated 19:01 BST, Tuesday 22 AugForecast updated Monday to Friday only

UK

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Last updated 23:47 BST, Tuesday 22 Aug

Observations

Observed at 03:00, Wednesday 23 August

Thick Cloud

17°C 63°F

Wind Speed 3 km/h 2 mph South Easterly

Humidity: 92%

Visibility: Moderate

Pressure: 1012mb, 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

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