Little Chebeague Island Weather Forecast

    • 57
    • 65

    Rain Showers

    • 60
    • 68

    Decreasing Clouds

    • 45
    • 68

    Mostly Sunny

    • 46
    • 61

    Sunny

    • 54
    • 62

    Mostly Sunny

    • 59
    • 66

    Partly Sunny

    • 60
    • 70

    Partly Sunny

Today 17 Sep Coastal Cumberland

Partly sunny. Highs in the lower 70s. South Winds around 10 Mph.

Tonight 17 Sep Coastal Cumberland

Partly cloudy this Evening, then mostly cloudy with scattered Showers after midnight. Patchy fog. Lows in the lower 50s. Light and variable Winds. Chance of rain 40 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Little Chebeague Island Temperature Statistics

September Temperature

Portland, Portland International Jetport (8.7 miles)

  • Lowest 9 September, 2025

    46 °F

  • Average September

    62.4 °F

  • Highest 11 September, 2025

    80.1 °F

Climate (2020–Present)

Portland, Portland International Jetport (8.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    57.4 °F
Get WillyWeather+ to remove ads