Jackson Harbor Weather Forecast

    • 58
    • 67

    Mostly Cloudy

    • 58
    • 63

    Mostly Cloudy

    • 60
    • 65

    Chance Rain Showers

    • 59
    • 66

    Chance Rain Showers

    • 58
    • 66

    Chance Rain Showers

    • 57
    • 65

    Chance Rain Showers

    • 57
    • 66

    Partly Sunny

Today 18 Sep Door

Partly sunny with a chance of Showers. Temperatures in the mid 60s at the lakeshore to near 70 well inland. Northeast wind 5 to 10 Mph.

Tonight 18 Sep Door

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 50s. Northeast wind 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Jackson Harbor Temperature Statistics

September Temperature

Ephraim-Gibraltar Airport (24.2 miles)

  • Lowest 8 September, 2025

    44.1 °F

  • Average September

    60.4 °F

  • Highest 16 September, 2025

    79.9 °F

Climate (2020–Present)

Ephraim-Gibraltar Airport (24.2 miles)

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  • Average Low 2020–2025

    38.9 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    52.8 °F
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