Inner Sand Island Weather Forecast

    • 56
    • 67

    Mostly Sunny

    • 57
    • 66

    Mostly Sunny

    • 56
    • 63

    Mostly Cloudy

    • 56
    • 63

    Chance Rain Showers

    • 56
    • 67

    Mostly Sunny

    • 57
    • 64

    Partly Sunny

Today 14 Aug Coastal Washington

Sunny. Highs in the upper 70s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 14 Aug Coastal Washington

Clear. Lows in the mid 50s. Northwest Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Inner Sand Island Temperature Statistics

August Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (34.2 miles)

  • Lowest 1 August, 2026

    57 °F

  • Average August

    70.8 °F

  • Highest 6 August, 2026

    90 °F

Climate (2021–2026)

Bar Harbor, Hancock County-Bar Harbor Airport (34.2 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    54.6 °F
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