Great Wass Island - Deep Cove Weather Forecast

    • 41
    • 44

    Patchy Fog

    • 27
    • 52

    Rain

    • 29
    • 37

    Chance Rain

    • 21
    • 43

    Slight Chance Rain

    • 16
    • 25

    Partly Sunny

    • 23
    • 33

    Snow Likely

Today 18 Dec Coastal Washington

Sunny. Highs in the mid 40s. Southwest Winds 5 to 10 Mph with Gusts up to 25 Mph.

Tonight 18 Dec Coastal Washington

Partly cloudy this Evening, then becoming cloudy. Patchy fog. Lows in the upper 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Great Wass Island - Deep Cove Temperature Statistics

December Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (37.3 miles)

  • Lowest 9 December, 2025

    -0.9 °F

  • Average December

    23.4 °F

  • Highest 10 December, 2025

    45 °F

Climate (2020–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (37.3 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    46.6 °F

  • Average High 2020–2025

    54.7 °F
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