Cefn Weather Forecast

    • 3
    • 11

    Heavy rain

    • 3
    • 12

    Partly cloudy

    • 7
    • 13

    Cloudy

    • 5
    • 13

    Cloudy

    • 10
    • 14

    Cloudy

    • 10
    • 17

    Light rain

Today 14 May Wales

Winds not as strong as Wednesday, but scattered, blustery showers continue with some with hail and thunder possible. Feeling cool with temperatures remaining below average for mid-May. Maximum temperature 13 °C.

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Cefn Temperature Statistics

May Temperature

Lake Vyrnwy Saws (26km)

  • Lowest 12 May, 2026

    1.7 °C

  • Average May

    8.3 °C

  • Highest 2 May, 2026

    14.3 °C

Climate (2021–Present)

Lake Vyrnwy Saws (26km)

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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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