Trefechan Weather Forecast

    • 9
    • 17

    Light rain

    • 7
    • 16

    Thunder

    • 6
    • 18

    Partly cloudy

    • 9
    • 19

    Sunny day

    • 13
    • 21

    Cloudy

    • 14
    • 21

    Light rain shower

    • 13
    • 19

    Heavy rain shower

Today 20 Aug Wales

Some bright spells for a while first thing. However, showers spreading across the country as the day progresses, some of these being heavy with hail and thunder possible. A cooler northerly breeze developing. Maximum temperature 20 °C.

Tonight 20 Aug Wales

Showers reducing in number during the evening but some continuing overnight, chiefly around western coasts where they could still be heavy and thundery. A cool night with clear spells elsewhere. Minimum temperature 6 °C.

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Trefechan Temperature Statistics

August Temperature

Sennybridge (35km)

  • Lowest 8 August, 2026

    3.5 °C

  • Average August

    16.5 °C

  • Highest 13 August, 2026

    31.8 °C

Climate (2021–2026)

Sennybridge (35km)

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  • Average Low 2021–2026

    5.7 °C

  • Average 2021–2026

    9.5 °C

  • Average High 2021–2026

    13 °C
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