Treorchy Weather Forecast

    • 3
    • 11

    Overcast

    • 2
    • 8

    Partly cloudy

    • 6
    • 9

    Heavy rain

    • 7
    • 10

    Overcast

    • 7
    • 13

    Cloudy

    • 6
    • 12

    Overcast

    • 5
    • 10

    Overcast

Today 27 Mar Wales

A cloudy morning with rain at times, this gradually clearing through the afternoon with brighter skies developing later. Blustery showers arriving in the north by evening. A little less chilly. Maximum temperature 11 °C.

Tonight 27 Mar Wales

Some late brightness for many then clear spells overnight albeit with a chance of an isolated shower. Turning cold with a rural frost possible. A freshening breeze later. Minimum temperature 0 °C.

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Treorchy Temperature Statistics

March Temperature

St-athan (28km)

  • Lowest 14 March, 2026

    2.6 °C

  • Average March

    8.9 °C

  • Highest 18 March, 2026

    17.9 °C

Climate (2021–Present)

St-athan (28km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    11.8 °C

  • Average High 2021–2026

    14.6 °C
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