Islesboro Island - Charlottes Cove Weather Forecast

    • 44
    • 52

    Slight Chance Rain Showers

    • 47
    • 60

    Rain

    • 46
    • 58

    Rain Likely

    • 52
    • 68

    Mostly Sunny

    • 48
    • 67

    Mostly Sunny

    • 47
    • 62

    Partly Sunny

    • 53
    • 65

    Slight Chance Rain Showers

Today 13 May Coastal Waldo

Showers likely. Highs in the mid 50s. South Winds around 10 Mph. Chance of rain 70 percent.

Tonight 13 May Coastal Waldo

Mostly cloudy. A chance of Showers in the evening. Patchy fog after midnight. Lows in the mid 40s. Light and variable Winds. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Islesboro Island - Charlottes Cove Temperature Statistics

May Temperature

Rockland, Knox County Regional Airport (18 miles)

  • Lowest 4 May, 2026

    32 °F

  • Average May

    49 °F

  • Highest 4 May, 2026

    63 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (18 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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