Bontddu Weather Forecast

    • 15
    • 17

    Heavy rain

    • 13
    • 17

    Thunder

    • 14
    • 16

    Light rain

    • 13
    • 17

    Heavy rain shower

    • 14
    • 17

    Light rain

    • 15
    • 17

    Light rain shower

    • 14
    • 17

    Light rain

Today 29 Aug Wales

A cloudy and wet start with heavy spells of rain, clearing eastwards during the day. Turning brighter from the west during the afternoon with sunny spells and showers following. Maximum temperature 20 °C.

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Bontddu Temperature Statistics

August Temperature

Lake Vyrnwy Saws (34km)

  • Lowest 23 August, 2026

    7.4 °C

  • Average August

    15.6 °C

  • Highest 13 August, 2026

    30.8 °C

Climate (2021–2026)

Lake Vyrnwy Saws (34km)

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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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