Islesboro Island - Northeast Point Weather Forecast

    • 45
    • 71

    Sunny

    • 51
    • 67

    Mostly Sunny

    • 55
    • 72

    Partly Sunny

    • 56
    • 70

    Chance Rain Showers

    • 51
    • 73

    Partly Sunny

    • 51
    • 68

    Chance Rain Showers

Today 14 Sep Coastal Waldo

Patchy fog this morning. Partly sunny with a slight chance of Showers this Morning, then sunny this afternoon. Highs around 70. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 14 Sep Coastal Waldo

Clear. Lows in the lower 40s. Northwest Winds around 10 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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Islesboro Island - Northeast Point Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (19.9 miles)

  • Lowest 12 September, 2026

    44.1 °F

  • Average September

    62.1 °F

  • Highest 10 September, 2026

    84 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (19.9 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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