Harper Lake Weather Forecast

    • 41
    • 60

    Rain Showers

    • 28
    • 55

    Rain Showers

    • 34
    • 55

    Mostly Sunny

    • 40
    • 63

    Mostly Sunny

    • 36
    • 65

    Partly Sunny

    • 39
    • 68

    Mostly Sunny

Today 15 Oct Lake

Rain Showers likely in the afternoon. Highs in the upper 50s. Southeast Winds around 10 Mph. Gusts up to 20 Mph in the afternoon. Chance of rain 60 percent.

Tonight 15 Oct Lake

Rain Showers. Lows in the lower 40s. East Winds around 10 Mph with Gusts to around 20 Mph in the evening becoming light. Chance of rain 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harper Lake Temperature Statistics

October Temperature

Manistee County - Blacker Airport (16.2 miles)

  • Lowest 9 October, 2026

    35.1 °F

  • Average October

    57.7 °F

  • Highest 10 October, 2026

    80.1 °F

Climate (2021–2026)

Manistee County - Blacker Airport (16.2 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    56 °F
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