Mark Island Weather Forecast

    • 60
    • 68

    Slight Chance Thunderstorms

    • 59
    • 70

    Chance Rain Showers

    • 58
    • 68

    Slight Chance Rain Showers

    • 57
    • 69

    Partly Sunny

    • 56
    • 66

    Chance Rain Showers

    • 55
    • 68

    Slight Chance Rain Showers

Today 9 Aug Coastal Washington

Patchy dense fog this morning. Mostly cloudy this Morning, then partly sunny with scattered Showers with isolated Thunderstorms this afternoon. Thunderstorms may produce gusty Winds and heavy rainfall this afternoon. Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 9 Aug Coastal Washington

Partly cloudy with isolated Thunderstorms in the Evening, then mostly clear after midnight. Thunderstorms may produce gusty Winds and heavy rainfall in the evening. Lows in the lower 60s. West Winds around 5 Mph. Chance of precipitation 20 percent.

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  • Temperature Real-Time

Mark Island Temperature Statistics

August Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (41 miles)

  • Lowest 1 August, 2026

    57 °F

  • Average August

    69.9 °F

  • Highest 6 August, 2026

    90 °F

Climate (2021–2026)

Bar Harbor, Hancock County-Bar Harbor Airport (41 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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