St Thomas Weather Forecast

    • 9
    • 14

    Cloudy

    • 8
    • 14

    Cloudy

    • 10
    • 15

    Cloudy

    • 10
    • 17

    Light rain

    • 7
    • 16

    Cloudy

    • 6
    • 12

    Partly cloudy

    • 8
    • 13

    Cloudy

Today 6 May Wales

A cloudy start for most with the odd shower. Brightening up for some by the afternoon but heavy slow-moving showers may develop across Pembrokeshire and Carmarthenshire. Feeling somewhat cooler in the light breeze. Maximum temperature 15 °C.

Tonight 6 May Wales

Showers continuing overnight, heaviest in the southwest. Some clear spells in places but temperatures staying above freezing for most areas, but a patchy frost developing in rural spots. Minimum temperature 2 °C.

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St Thomas Temperature Statistics

May Temperature

Pembrey Sands Samos (31km)

  • Lowest 3 May, 2026

    9.4 °C

  • Average May

    12.2 °C

  • Highest 1 May, 2026

    15.8 °C

Climate (2021–Present)

Pembrey Sands Samos (31km)

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  • Average Low 2021–2026

    8.4 °C

  • Average 2021–2026

    11.7 °C

  • Average High 2021–2026

    14.4 °C
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