Deer Isle - Sheephead Island Weather Forecast

    • 25
    • 30

    Chance Snow

    • 30
    • 33

    Chance Snow

    • 40
    • 40

    Chance Rain

    • 36
    • 47

    Mostly Sunny

    • 39
    • 47

    Mostly Sunny

    • 36
    • 50

    Partly Sunny

Today 5 Mar Coastal Hancock

Partly sunny this Morning, then becoming mostly cloudy. Cooler with Highs around 30. Northeast Winds 10 to 15 Mph.

Tonight 5 Mar Coastal Hancock

Mostly cloudy. Lows 17 to 23. Northeast Winds 5 to 10 Mph with Gusts up to 25 Mph.

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Deer Isle - Sheephead Island Temperature Statistics

March Temperature

Rockland, Knox County Regional Airport (20.5 miles)

  • Lowest 2 March, 2026

    3 °F

  • Average March

    23.3 °F

  • Highest 3 March, 2026

    35.1 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (20.5 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    55 °F
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