Bontddu Weather Forecast

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    • 19

    Cloudy

    • 10
    • 13

    Cloudy

    • 13
    • 18

    Sunny day

    • 15
    • 22

    Sunny day

    • 14
    • 23

    Sunny day

    • 13
    • 22

    Sunny day

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    Sunny day

Today 22 May Wales

A fine day for many with plenty of sunshine, although low cloud may affect areas near to the coast at times. Sunshine may also turn a little hazy elsewhere throughout the afternoon, but feeling very warm for most. Maximum temperature 26 °C.

Tonight 22 May Wales

Remaining fine initially this evening, but cloud will spread in from the west. Overnight some spots of rain are possible but most remaining dry. A mild night for many. Minimum temperature 11 °C.

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Bontddu Temperature Statistics

May Temperature

Lake Vyrnwy Saws (34km)

  • Lowest 12 May, 2026

    1.7 °C

  • Average May

    8.3 °C

  • Highest 2 May, 2026

    14.3 °C

Climate (2021–Present)

Lake Vyrnwy Saws (34km)

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  • Average Low 2021–2026

    6.3 °C

  • Average 2021–2026

    9 °C

  • Average High 2021–2026

    11.8 °C
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