Deer Isle Weather Forecast

    • 30
    • 36

    Mostly Cloudy

    • 34
    • 41

    Partly Sunny

    • 38
    • 44

    Cloudy

    • 42
    • 49

    Rain

    • 31
    • 47

    Rain Likely

    • 34
    • 45

    Partly Sunny

Today 13 Mar Coastal Hancock

Partly sunny. Highs in the mid 30s. East Winds 5 to 10 Mph, becoming southeast this afternoon.

Tonight 13 Mar Coastal Hancock

Partly cloudy. Lows in the upper 20s. South Winds around 5 Mph with Gusts up to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deer Isle Temperature Statistics

March Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (21.7 miles)

  • Lowest 3 March, 2025

    3 °F

  • Average March

    30.2 °F

  • Highest 6 March, 2025

    48 °F

Climate (2020–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (21.7 miles)

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  • Average Low 2020–2025

    38.5 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    54.7 °F
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