Little Chebeague Island Weather Forecast

    • 56
    • 62

    Chance Rain

    • 55
    • 64

    Mostly Cloudy

    • 63
    • 68

    Partly Sunny

    • 55
    • 71

    Mostly Cloudy

    • 51
    • 63

    Partly Sunny

    • 51
    • 61

    Chance Rain Showers

Today 29 Sep Coastal Cumberland

Cloudy. A chance of rain in the morning. Highs in the mid 60s. North Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 29 Sep Coastal Cumberland

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Little Chebeague Island Temperature Statistics

September Temperature

Portland, Portland International Jetport (8.7 miles)

  • Lowest 20 September, 2026

    40.6 °F

  • Average September

    61.8 °F

  • Highest 10 September, 2026

    85.6 °F

Climate (2021–2026)

Portland, Portland International Jetport (8.7 miles)

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  • Average Low 2021–2026

    40 °F

  • Average 2021–2026

    48.7 °F

  • Average High 2021–2026

    57.3 °F
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