Deer Island Weather Forecast

    • 45
    • 51

    Chance Rain Showers

    • 45
    • 61

    Mostly Cloudy

    • 46
    • 63

    Mostly Sunny

    • 50
    • 70

    Mostly Sunny

    • 50
    • 64

    Partly Sunny

    • 50
    • 66

    Chance Rain Showers

    • 50
    • 65

    Chance Rain Showers

Today 24 May Coastal Hancock

Cloudy with a 50 percent chance of Showers. Near steady temperature in the upper 40s. Southwest Winds around 5 Mph with Gusts up to 15 Mph.

Tonight 24 May Coastal Hancock

Cloudy with scattered Showers. Patchy fog. Lows in the mid 40s. Northwest Winds around 5 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deer Island Temperature Statistics

May Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (19.9 miles)

  • Lowest 1 May, 2025

    36 °F

  • Average May

    50.6 °F

  • Highest 15 May, 2025

    70 °F

Climate (2020–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (19.9 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    46.7 °F

  • Average High 2020–2025

    54.8 °F
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