Little Chebeague Island Weather Forecast

    • 63
    • 67

    Rain Showers Likely

    • 63
    • 70

    Chance Rain Showers

    • 63
    • 72

    Partly Sunny

    • 61
    • 73

    Chance Rain Showers

    • 61
    • 73

    Partly Sunny

    • 61
    • 70

    Partly Sunny

Today 17 Aug Coastal Cumberland

Mostly cloudy. Highs in the lower 70s. South Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 17 Aug Coastal Cumberland

Mostly cloudy. Isolated Showers after midnight. Patchy fog after midnight. Humid with Lows in the lower 60s. South Winds around 10 Mph in the Evening, becoming light and variable. Chance of rain 20 percent.

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Little Chebeague Island Temperature Statistics

August Temperature

Portland, Portland International Jetport (8.7 miles)

  • Lowest 15 August, 2026

    55.4 °F

  • Average August

    73.2 °F

  • Highest 9 August, 2026

    92.6 °F

Climate (2021–2026)

Portland, Portland International Jetport (8.7 miles)

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  • Average Low 2021–2026

    40.1 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    57.3 °F
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