Deer Isle - Sheephead Island Weather Forecast

    • 32
    • 38

    Mostly Cloudy

    • 11
    • 40

    Rain/Snow

    • 23
    • 28

    Partly Sunny

    • 28
    • 35

    Chance Snow

    • 16
    • 38

    Chance Snow

    • 15
    • 25

    Partly Sunny

    • 25
    • 31

    Chance Snow

Today 3 Dec Coastal Hancock

Mostly sunny. Highs in the upper 30s. Temperature falling into the lower 30s this afternoon. Northwest Winds 15 to 20 Mph. Gusts up to 35 Mph this morning.

Tonight 3 Dec Coastal Hancock

Mostly cloudy. Cold with Lows in the mid 20s. Temperature rising into the lower 30s after midnight. Southwest Winds 5 to 10 Mph. Gusts up to 25 Mph after midnight.

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Deer Isle - Sheephead Island Temperature Statistics

December Temperature

Rockland, Knox County Regional Airport (20.5 miles)

  • Lowest 1 December, 2025

    23 °F

  • Average December

    33.3 °F

  • Highest 1 December, 2025

    41 °F

Climate (2020–Present)

Rockland, Knox County Regional Airport (20.5 miles)

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  • Average Low 2020–2025

    40 °F

  • Average 2020–2025

    48 °F

  • Average High 2020–2025

    55.2 °F
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