Little Birch Island Weather Forecast

    • 64
    • 80

    Mostly Sunny

    • 63
    • 77

    Partly Sunny

    • 62
    • 75

    Rain Showers Likely

    • 61
    • 73

    Mostly Sunny

    • 61
    • 73

    Mostly Sunny

    • 62
    • 70

    Partly Sunny

Today 11 Aug Coastal Cumberland

Mostly sunny. Highs in the mid 80s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 11 Aug Coastal Cumberland

Mostly clear. Lows in the lower 60s. Northwest Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Little Birch Island Temperature Statistics

August Temperature

Portland, Portland International Jetport (13.7 miles)

  • Lowest 5 August, 2026

    58.6 °F

  • Average August

    74.2 °F

  • Highest 7 August, 2026

    90.6 °F

Climate (2021–2026)

Portland, Portland International Jetport (13.7 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    48.8 °F

  • Average High 2021–2026

    57.3 °F
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