Trefin Weather Forecast

    • 13
    • 19

    Sunny day

    • 9
    • 18

    Light rain shower

    • 12
    • 17

    Sunny day

    • 16
    • 20

    Cloudy

    • 13
    • 18

    Light rain shower

    • 13
    • 16

    Light rain shower

    • 12
    • 17

    Light rain shower

Today 26 Sep Wales

Staying largely dry across Wales today with fine spells of sunshine. There is a small chance of the odd shower in the afternoon, but staying dry and pleasantly warm for many. Maximum temperature 19 °C.

Tonight 26 Sep Wales

Skies remaining clear at first tonight, and turning chilly. A few mist and fog patches possible. Cloud increasing a little towards the end of the night. Minimum temperature 4 °C.

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Trefin Temperature Statistics

September Temperature

Milford Haven C.b. (27km)

  • Lowest 24 September, 2026

    10.5 °C

  • Average September

    16.3 °C

  • Highest 6 September, 2026

    21.8 °C

Climate (2021–2026)

Milford Haven C.b. (27km)

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  • Average Low 2021–2026

    9.5 °C

  • Average 2021–2026

    11.9 °C

  • Average High 2021–2026

    14.4 °C
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