Islesboro Island - Charlottes Cove Weather Forecast

    • 59
    • 77

    Rain Showers Likely

    • 59
    • 81

    Sunny

    • 57
    • 81

    Mostly Sunny

    • 59
    • 76

    Chance Rain Showers

    • 59
    • 75

    Chance Rain Showers

    • 60
    • 79

    Partly Sunny

Today 13 Aug Coastal Waldo

Mostly cloudy with a chance of Showers this Morning, then partly sunny with Showers likely with a chance of Thunderstorms this afternoon. Highs in the upper 70s. Light and variable Winds. Chance of rain 70 percent.

Tonight 13 Aug Coastal Waldo

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then mostly clear after midnight. Lows in the upper 50s. Light and variable Winds, becoming northwest around 10 Mph after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Islesboro Island - Charlottes Cove Temperature Statistics

August Temperature

Rockland, Knox County Regional Airport (18 miles)

  • Lowest 1 August, 2026

    55.9 °F

  • Average August

    70.7 °F

  • Highest 6 August, 2026

    86 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (18 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.9 °F
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