Harper Lake Weather Forecast

    • 35
    • 59

    Mostly Sunny

    • 43
    • 66

    Partly Sunny

    • 50
    • 70

    Rain Showers Likely

    • 51
    • 69

    Mostly Cloudy

    • 52
    • 74

    Partly Sunny

    • 56
    • 80

    Partly Sunny

Today 20 May Lake

Mostly sunny. Highs in the upper 50s. North Winds 5 to 10 Mph.

Tonight 20 May Lake

Mostly clear. Areas of frost after midnight. Lows in the mid 30s. Northeast Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harper Lake Temperature Statistics

May Temperature

Manistee County - Blacker Airport (16.2 miles)

  • Lowest 8 May, 2026

    27 °F

  • Average May

    49.7 °F

  • Highest 18 May, 2026

    80.1 °F

Climate (2021–Present)

Manistee County - Blacker Airport (16.2 miles)

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  • Average Low 2021–2026

    38.4 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    56.1 °F
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