Holbrook Island Sanctuary State Park Weather Forecast

    • 50
    • 57

    Rain Showers Likely

    • 47
    • 57

    Rain Showers

    • 44
    • 55

    Slight Chance Rain Showers

    • 41
    • 54

    Slight Chance Rain Showers

    • 38
    • 51

    Slight Chance Rain Showers

    • 38
    • 49

    Mostly Cloudy

    • 38
    • 50

    Slight Chance Rain Showers

Today 21 Oct Coastal Hancock

Mostly cloudy late this Morning, then becoming partly sunny. A slight chance of rain late this morning. Highs in the lower 60s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 21 Oct Coastal Hancock

Mostly clear this Evening, then becoming mostly cloudy. Patchy fog. Lows in the upper 40s. South Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Holbrook Island Sanctuary State Park Temperature Statistics

October Temperature

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

  • Lowest 10 October, 2025

    28.9 °F

  • Average October

    52.4 °F

  • Highest 4 October, 2025

    75.9 °F

Climate (2020–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (21.7 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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