Ganllwyd Weather Forecast

    • 14
    • 18

    Overcast

    • 13
    • 17

    Cloudy

    • 10
    • 17

    Thunder shower

    • 9
    • 16

    Light rain shower

    • 9
    • 17

    Sunny day

    • 10
    • 17

    Sunny day

    • 12
    • 18

    Partly cloudy

Today 18 Aug Wales

A rather cloudy day with the chance of the odd shower, mainly in the north and west. Most places staying dry with periods of hazy sunshine. Breezier and somewhat fresher but still feeling rather warm for the time of year. Maximum temperature 23 °C.

Tonight 18 Aug Wales

Dry to start but rain moves in from the west. Mostly light but turning showery into the early hours. Showers ease by dawn becoming isolated. Feeling fresher and less humid. Minimum temperature 12 °C.

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Ganllwyd Temperature Statistics

August Temperature

Lake Vyrnwy Saws (29km)

  • Lowest 8 August, 2026

    8.3 °C

  • Average August

    16.2 °C

  • Highest 13 August, 2026

    30.8 °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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