Claerwen Reservoir Weather Forecast

    • 11
    • 17

    Cloudy

    • 11
    • 15

    Cloudy

    • 9
    • 14

    Light rain

    • 8
    • 13

    Heavy rain shower

    • 6
    • 13

    Heavy rain shower

    • 5
    • 12

    Light rain shower

    • 6
    • 13

    Cloudy

Today 16 Aug Wales

Some cloud to start, with perhaps an isolated shower. Soon brightening up with spells of hazy sunshine, though there remains the chance of a few showers in the north. Maximum temperature 25 °C.

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Claerwen Reservoir Temperature Statistics

August Temperature

Trawsgoed (19km)

  • Lowest 8 August, 2026

    4.7 °C

  • Average August

    17.3 °C

  • Highest 12 August, 2026

    34.1 °C

Climate (2021–2026)

Trawsgoed (19km)

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  • Average Low 2021–2026

    7 °C

  • Average 2021–2026

    11 °C

  • Average High 2021–2026

    14.6 °C
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