Caersws Weather Forecast

    • 5
    • 12

    Heavy rain

    • 3
    • 12

    Heavy rain

    • 3
    • 12

    Cloudy

    • 7
    • 13

    Cloudy

    • 5
    • 13

    Cloudy

    • 10
    • 14

    Light rain

    • 10
    • 17

    Heavy rain

Today 13 May Wales

A chilly feeling day. There will be some bright spells, but it'll often be cloudy with blustery, locally heavy showers and a risk of hail. Driest in the south and west. A brisk northerly wind adding to the colder feel. Maximum temperature 12 °C.

Tonight 13 May Wales

Showers easing but persisting overnight with the brisk northerly wind continuing. Rather chilly, but the wind and cloud preventing a frost. Minimum temperature 6 °C.

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Caersws Temperature Statistics

May Temperature

Lake Vyrnwy Saws (27km)

  • Lowest 12 May, 2026

    1.7 °C

  • Average May

    8.2 °C

  • Highest 2 May, 2026

    14.3 °C

Climate (2021–Present)

Lake Vyrnwy Saws (27km)

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  • Average Low 2021–2026

    6.3 °C

  • Average 2021–2026

    9 °C

  • Average High 2021–2026

    11.8 °C
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