Harper Lake Weather Forecast

    • 55
    • 79

    Mostly Sunny

    • 47
    • 75

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 54
    • 79

    Mostly Cloudy

    • 53
    • 76

    Chance Rain Showers

    • 61
    • 79

    Rain Showers

    • 50
    • 72

    Mostly Cloudy

Today 9 Sep Lake

Partly sunny with a 50 percent chance of Showers. Highs in the upper 70s. West Winds 5 to 10 Mph with Gusts to around 25 Mph.

Tonight 9 Sep Lake

Mostly clear. Lows in the mid 50s. West Winds 5 to 10 Mph in the evening becoming light. Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harper Lake Temperature Statistics

September Temperature

Manistee County - Blacker Airport (16.2 miles)

  • Lowest 6 September, 2026

    54 °F

  • Average September

    70.5 °F

  • Highest 1 September, 2026

    86 °F

Climate (2021–2026)

Manistee County - Blacker Airport (16.2 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    56.1 °F
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