Ganllwyd Weather Forecast

    • 6
    • 15

    Light rain

    • 14
    • 17

    Cloudy

    • 9
    • 15

    Light rain

    • 12
    • 15

    Light rain shower

    • 11
    • 16

    Light rain shower

    • 11
    • 15

    Cloudy

    • 13
    • 17

    Light rain shower

Today 23 Sep Wales

Overcast with outbreaks of rain, this locally heavy and persistent across the hills and mountains of north Wales. Becoming drier and brighter from the west during the afternoon. Maximum temperature 20 °C.

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Ganllwyd Temperature Statistics

September Temperature

Lake Vyrnwy Saws (29km)

  • Lowest 12 September, 2026

    8.3 °C

  • Average September

    13.6 °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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