Southwest Harbor Weather Forecast

    • 17
    • 31

    Partly Sunny

    • 18
    • 29

    Decreasing Clouds

    • 21
    • 32

    Mostly Sunny

    • 29
    • 38

    Mostly Sunny

    • 38
    • 46

    Mostly Cloudy

    • 42
    • 53

    Rain Showers

    • 32
    • 52

    Rain Likely

Today 5 Dec Coastal Hancock

Partly sunny. Highs around 30. North Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Southwest Harbor Temperature Statistics

December Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (11.8 miles)

  • Lowest 3 December, 2023

    33.1 °F

  • Average December

    40.8 °F

  • Highest 1 December, 2023

    52 °F

Climate (2018–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (11.8 miles)

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  • Average Low 2018–2023

    38.3 °F

  • Average 2018–2023

    46.5 °F

  • Average High 2018–2023

    54.6 °F
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