Bontddu Weather Forecast

    • 14
    • 15

    Cloudy

    • 14
    • 21

    Cloudy

    • 12
    • 16

    Cloudy

    • 12
    • 15

    Light rain shower

    • 11
    • 15

    Cloudy

    • 14
    • 16

    Light rain

    • 13
    • 16

    Light rain

Today 5 Sep Wales

Any showers in the north soon clearing. Thereafter a dry day with sunny periods. Still a little breezy but much less windy than on Friday. Warm in the sunshine. Maximum temperature 21 °C.

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Bontddu Temperature Statistics

September Temperature

Lake Vyrnwy Saws (34km)

  • Lowest 1 September, 2026

    9.8 °C

  • Average September

    14.5 °C

  • Highest 3 September, 2026

    18.3 °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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