St Mary's Weather Forecast

    • 19
    • 20

    Sunny day

    • 18
    • 20

    Sunny day

    • 17
    • 19

    Cloudy

    • 16
    • 18

    Sunny day

    • 17
    • 18

    Cloudy

    • 18
    • 19

    Sunny day

Today 11 Jul South West England

Early mist and fog soon burning back to the coasts, with widely clear skies to follow. Plenty of warm or hot sunshine with light winds, though some cloud bubbling up across southern parts in the afternoon. Maximum Temperature 30C.

Tonight 11 Jul South West England

Warm and muggy with late evening sunshine and clear skies to follow. Light winds allow some mist and patchy fog to return to rural spots and along the coasts. Minimum Temperature 15C.

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St Mary's Temperature Statistics

July Temperature

Scilly St Marys (1km)

  • Lowest 4 July, 2025

    13.6 °C

  • Average July

    16.6 °C

  • Highest 4 July, 2025

    20.7 °C

Climate (2020–Present)

Scilly St Marys (1km)

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  • Average Low 2020–2025

    10.9 °C

  • Average 2020–2025

    12.4 °C

  • Average High 2020–2025

    14.1 °C
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