Ganllwyd Weather Forecast

    • 10
    • 18

    Cloudy

    • 12
    • 15

    Light rain shower

    • 12
    • 16

    Light rain shower

    • 12
    • 15

    Light rain shower

    • 13
    • 16

    Cloudy

    • 13
    • 16

    Overcast

    • 10
    • 15

    Overcast

Today 30 Sep Wales

A day of sunshine and blustery showers, these turning heavy and thundery at times. A little cooler but still warm in the sunshine with winds also easing. Maximum temperature 22 °C.

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Ganllwyd Temperature Statistics

September Temperature

Lake Vyrnwy Saws (29km)

  • Lowest 28 September, 2026

    6.7 °C

  • Average September

    13.2 °C

  • Highest 6 September, 2026

    21.7 °C

Climate (2021–2026)

Lake Vyrnwy Saws (29km)

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  • Average Low 2021–2026

    6.4 °C

  • Average 2021–2026

    9.1 °C

  • Average High 2021–2026

    12 °C
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