Islesboro Island - Shattuck Point Weather Forecast

    • 33
    • 34

    Chance Rain Showers

    • 21
    • 41

    Chance Rain Showers

    • 20
    • 26

    Partly Sunny

    • 26
    • 35

    Rain/Snow Likely

    • 22
    • 31

    Mostly Cloudy

    • 26
    • 33

    Chance Snow

    • 24
    • 36

    Chance Rain/Snow

Today 20 Dec Coastal Waldo

Partly sunny. Highs in the lower 30s. West Winds around 10 Mph with Gusts up to 25 Mph.

Tonight 20 Dec Coastal Waldo

Cloudy. A chance of snow Showers after midnight. Lows in the upper 20s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of snow 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Islesboro Island - Shattuck Point Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (15.5 miles)

  • Lowest 9 December, 2025

    -2 °F

  • Average December

    26.5 °F

  • Highest 10 December, 2025

    45 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (15.5 miles)

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  • Average Low 2020–2025

    39.9 °F

  • Average 2020–2025

    47.9 °F

  • Average High 2020–2025

    55.2 °F
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