Washington Island Weather Forecast

    • 59
    • 70

    Mostly Sunny

    • 57
    • 74

    Chance Rain Showers

    • 56
    • 68

    Mostly Cloudy

    • 55
    • 65

    Partly Sunny

    • 56
    • 66

    Chance Rain Showers

    • 56
    • 66

    Chance Rain Showers

Today 16 Sep Door

Sunny. Temperatures in the lower to mid 70s at the lakeshore to the upper 70s well inland. South wind 5 to 10 Mph.

Tonight 16 Sep Door

Mostly clear. Lows in the upper 50s. South wind 5 to 10 Mph in the evening becoming light and variable.

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  • Temperature Real-Time

Washington Island Temperature Statistics

September Temperature

Ephraim-Gibraltar Airport (21.7 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    59.3 °F

  • Highest 14 September, 2025

    76.5 °F

Climate (2020–Present)

Ephraim-Gibraltar Airport (21.7 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    52.7 °F
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