Islesboro Island - Charlottes Cove Weather Forecast

    • 57
    • 66

    Rain Showers

    • 58
    • 77

    Mostly Sunny

    • 56
    • 74

    Slight Chance Rain Showers

    • 54
    • 73

    Chance Rain Showers

    • 54
    • 70

    Chance Rain Showers

    • 56
    • 73

    Chance Rain Showers

Today 18 Jun Coastal Waldo

Patchy fog in the morning. Showers likely in the Morning, then Showers with a chance of Thunderstorms in the afternoon. Highs in the mid 60s. Southeast Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon. Chance of rain near 100 percent.

Tonight 18 Jun Coastal Waldo

Mostly cloudy with Showers with a chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows in the mid 50s. South Winds 10 to 15 Mph with Gusts up to 30 Mph, becoming southwest after midnight. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Islesboro Island - Charlottes Cove Temperature Statistics

June Temperature

Rockland, Knox County Regional Airport (18 miles)

  • Lowest 2 June, 2026

    37.9 °F

  • Average June

    59.5 °F

  • Highest 9 June, 2026

    81 °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

    54.8 °F
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