Harper Lake Weather Forecast

    • 57
    • 80

    Chance Rain Showers

    • 51
    • 78

    Slight Chance Thunderstorms

    • 55
    • 77

    Chance Rain Showers

    • 57
    • 78

    Rain Showers Likely

    • 56
    • 75

    Chance Rain Showers

    • 54
    • 75

    Chance Rain Showers

Today 18 Sep Lake

Partly sunny with a 40 percent chance of Showers and Thunderstorms. Highs in the lower 80s. Light Winds.

Tonight 18 Sep Lake

Partly cloudy. A 20 percent chance of Showers and Thunderstorms in the evening. Lows in the upper 50s. Light Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harper Lake Temperature Statistics

September Temperature

Manistee County - Blacker Airport (16.2 miles)

  • Lowest 8 September, 2025

    37 °F

  • Average September

    59.3 °F

  • Highest 14 September, 2025

    81 °F

Climate (2020–Present)

Manistee County - Blacker Airport (16.2 miles)

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  • Average Low 2020–2025

    38.4 °F

  • Average 2020–2025

    47.5 °F

  • Average High 2020–2025

    56.1 °F
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