Islesboro Island - Shattuck Point Weather Forecast

    • 53
    • 65

    Mostly Sunny

    • 61
    • 62

    Rain Showers

    • 58
    • 72

    Partly Sunny

    • 53
    • 65

    Mostly Sunny

    • 56
    • 65

    Partly Sunny

    • 59
    • 66

    Slight Chance Rain Showers

    • 54
    • 68

    Slight Chance Rain Showers

Today 8 Sep Coastal Waldo

Mostly cloudy with Showers likely this Morning, then mostly sunny this afternoon. Highs in the mid 70s. North Winds around 10 Mph. Chance of rain 70 percent.

Tonight 8 Sep Coastal Waldo

Mostly clear. Lows in the upper 40s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Islesboro Island - Shattuck Point Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (15.5 miles)

  • Lowest 1 September, 2026

    48.9 °F

  • Average September

    61.6 °F

  • Highest 4 September, 2026

    73 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (15.5 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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