Islesboro Island - Charlottes Cove Weather Forecast

    • 48
    • 63

    Chance Rain Showers

    • 42
    • 63

    Mostly Sunny

    • 42
    • 58

    Mostly Sunny

    • 54
    • 65

    Chance Rain Showers

    • 48
    • 65

    Slight Chance Rain Showers

    • 43
    • 60

    Chance Rain Showers

Today 8 Oct Coastal Waldo

Mostly sunny. Highs in the upper 50s.

Tonight 8 Oct Coastal Waldo

Clear. Lows in the mid 40s. West Winds around 10 Mph with Gusts up to 20 Mph this Evening, becoming light and variable.

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Islesboro Island - Charlottes Cove Temperature Statistics

October Temperature

Rockland, Knox County Regional Airport (18 miles)

  • Lowest 4 October, 2026

    39 °F

  • Average October

    56 °F

  • Highest 2 October, 2026

    72 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (18 miles)

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  • Average Low 2021–2026

    39.4 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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