Grass Lake Weather Forecast

    • 58
    • 82

    Increasing Clouds

    • 63
    • 73

    Rain Showers

    • 66
    • 83

    Chance Thunderstorms

    • 69
    • 86

    Chance Thunderstorms

    • 65
    • 86

    Slight Chance Thunderstorms

    • 62
    • 85

    Partly Sunny

    • 63
    • 83

    Partly Sunny

Today 28 Aug Shawano

Partly cloudy. Temperatures in the lower 80s. Light and variable wind.

Tonight 28 Aug Shawano

Mostly clear. Lows in the upper 50s. Light and variable wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

August Temperature

Clintonville Municipal Airport (5.6 miles)

  • Lowest 24 August, 2026

    46.2 °F

  • Average August

    68.2 °F

  • Highest 15 August, 2026

    83.3 °F

Climate (2021–2026)

Clintonville Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    35.4 °F

  • Average 2021–2026

    45.2 °F

  • Average High 2021–2026

    54.7 °F
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