Southwest Harbor Weather Forecast

    • 39
    • 55

    Sunny

    • 44
    • 57

    Sunny

    • 38
    • 62

    Mostly Sunny

    • 33
    • 49

    Mostly Sunny

    • 39
    • 49

    Partly Sunny

    • 47
    • 55

    Partly Sunny

Today 24 Oct Coastal Hancock

Sunny. Highs in the mid 50s. Northwest Winds 5 to 10 Mph.

Tonight 24 Oct Coastal Hancock

Clear. Lows in the lower 30s. Northwest Winds around 5 Mph.

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  • Temperature Real-Time

Southwest Harbor Temperature Statistics

October Temperature

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

  • Lowest 18 October, 2026

    26.1 °F

  • Average October

    50.3 °F

  • Highest 1 October, 2026

    66 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    38.1 °F

  • Average 2021–2026

    46.4 °F

  • Average High 2021–2026

    54.5 °F
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