Eagle Island Weather Forecast

    • 62
    • 63

    Rain Showers

    • 50
    • 66

    Chance Rain Showers

    • 56
    • 61

    Mostly Sunny

    • 58
    • 65

    Mostly Cloudy

    • 58
    • 64

    Chance Rain Showers

    • 55
    • 67

    Slight Chance Rain Showers

Today 13 Sep Coastal Cumberland

Patchy fog this morning. Showers. Highs in the mid 60s. South Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 90 percent.

Tonight 13 Sep Coastal Cumberland

Cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Lows in the upper 50s. Light and variable Winds. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Eagle Island Temperature Statistics

September Temperature

Portland, Portland International Jetport (13 miles)

  • Lowest 7 September, 2026

    50.6 °F

  • Average September

    66.4 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

Portland, Portland International Jetport (13 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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