Eagle Island Weather Forecast

    • 62
    • 70

    Chance Rain Showers

    • 65
    • 70

    Partly Sunny

    • 60
    • 72

    Rain Showers Likely

    • 57
    • 64

    Chance Rain Showers

    • 54
    • 66

    Mostly Sunny

    • 53
    • 63

    Mostly Sunny

    • 55
    • 64

    Partly Sunny

Today 4 Sep Coastal Cumberland

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

Tonight 4 Sep Coastal Cumberland

Mostly clear this Evening, then mostly cloudy with Showers after midnight. Areas of fog after midnight. Lows around 60. South Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Eagle Island Temperature Statistics

September Temperature

Portland, Portland International Jetport (13 miles)

  • Lowest 1 September, 2025

    54 °F

  • Average September

    65.7 °F

  • Highest 2 September, 2025

    78.1 °F

Climate (2020–Present)

Portland, Portland International Jetport (13 miles)

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  • Average Low 2020–2025

    40.5 °F

  • Average 2020–2025

    49 °F

  • Average High 2020–2025

    57.4 °F
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