Sister Island Weather Forecast

    • 44
    • 54

    Mostly Sunny

    • 49
    • 64

    Mostly Cloudy

    • 50
    • 59

    Mostly Cloudy

    • 51
    • 61

    Partly Sunny

    • 53
    • 62

    Rain Likely

    • 47
    • 61

    Rain Likely

    • 43
    • 56

    Chance Rain

Today 1 Nov Coastal Cumberland

Sunny. Highs in the mid 50s. Southwest Winds around 10 Mph.

Tonight 1 Nov Coastal Cumberland

Mostly clear. Lows in the upper 30s. Light and variable Winds.

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Sister Island Temperature Statistics

November Temperature

Portland, Portland International Jetport (17.4 miles)

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  • Average November

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Climate (2021–2026)

Portland, Portland International Jetport (17.4 miles)

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  • Average Low 2021–2026

    39.9 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    57.3 °F
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