Treorchy Weather Forecast

    • 10
    • 16

    Cloudy

    • 7
    • 15

    Cloudy

    • 7
    • 11

    Cloudy

    • 6
    • 12

    Cloudy

    • 9
    • 15

    Cloudy

    • 9
    • 16

    Cloudy

    • 7
    • 15

    Light rain

Today 4 May Wales

A grey start with some drizzly outbreaks at first. Turning drier as the day goes on, perhaps with some brighter spells at times. However, staying mostly cloudy through the day. Maximum temperature 17 °C.

Tonight 4 May Wales

Cloud lingers at first with some showers in the south. Clearer spells will develop through the night. Staying dry and fairly mild. Minimum temperature 5 °C.

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Treorchy Temperature Statistics

May Temperature

St-athan (28km)

  • Lowest 2 May, 2026

    7.3 °C

  • Average May

    11.6 °C

  • Highest 2 May, 2026

    16.1 °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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