Merthyr Tydfil Weather Forecast

    • 6
    • 13

    Light rain

    • 5
    • 9

    Overcast

    • 7
    • 11

    Overcast

    • 6
    • 11

    Fog

    • 6
    • 12

    Cloudy

    • 7
    • 10

    Mist

    • 6
    • 10

    Cloudy

Today 5 Mar Wales

Any early low cloud, mist and fog soon lifting to leave warm sunny spells. Cloud increasing from the west during the afternoon with a few showers breaking out, and more persistent rain arriving by the evening in the west. Maximum temperature 16 °C.

Tonight 5 Mar Wales

Cloudy this evening with outbreaks of rain in the west, pushing slowly eastwards overnight and reaching most of the country by dawn. Turning breezy along the coasts and hills. Minimum temperature 5 °C.

Graph Plots Open in Graphs

  • Temperature Forecast Met Office

  • Temperature Real-Time

Merthyr Tydfil Temperature Statistics

March Temperature

Sennybridge (38km)

  • Lowest 4 March, 2026

    4.6 °C

  • Average March

    7 °C

  • Highest 1 March, 2026

    9.8 °C

Climate (2021–Present)

Sennybridge (38km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    5.6 °C

  • Average 2021–2026

    9.3 °C

  • Average High 2021–2026

    12.7 °C
Get WillyWeather+ to remove ads