Harper Lake Weather Forecast

    • 58
    • 80

    Rain Showers Likely

    • 48
    • 76

    Partly Sunny

    • 53
    • 78

    Mostly Sunny

    • 61
    • 81

    Chance Rain Showers

    • 65
    • 84

    Rain Showers Likely

    • 65
    • 85

    Slight Chance Thunderstorms

    • 61
    • 86

    Partly Sunny

Today 26 Aug Lake

Showers likely and a chance of Thunderstorms. Highs in the upper 70s. West Winds 5 to 10 Mph with Gusts to around 20 Mph. Chance of rain 70 percent.

Tonight 26 Aug Lake

Partly cloudy. A 50 percent chance of Showers and Thunderstorms in the evening. Lows in the upper 50s. West Winds around 10 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harper Lake Temperature Statistics

August Temperature

Manistee County - Blacker Airport (16.2 miles)

  • Lowest 20 August, 2026

    48 °F

  • Average August

    68.3 °F

  • Highest 14 August, 2026

    84 °F

Climate (2021–2026)

Manistee County - Blacker Airport (16.2 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    56.1 °F
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