Isle of Lewis Weather Forecast

    • 11
    • 15

    Cloudy

    • 10
    • 15

    Partly cloudy

    • 9
    • 11

    Cloudy

    • 9
    • 11

    Cloudy

    • 10
    • 12

    Overcast

    • 10
    • 13

    Cloudy

Today 18 Sep Highlands and Eilian Siar

Windy with blustery showers, mainly in the west, during the morning. Eastern parts continue drier and brighter. Wind and showers will ease through the afternoon. Maximum Temperature 16C.

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Isle of Lewis Temperature Statistics

September Temperature

Stornoway (4km)

  • Lowest 14 September, 2025

    5.2 °C

  • Average September

    12.9 °C

  • Highest 7 September, 2025

    18.2 °C

Climate (2020–Present)

Stornoway (4km)

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  • Average Low 2020–2025

    6.8 °C

  • Average 2020–2025

    9.3 °C

  • Average High 2020–2025

    11.5 °C
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