Grass Lake Weather Forecast

    • 16
    • 43

    Chance Flurries

    • 6
    • 21

    Partly Sunny

    • 17
    • 22

    Snow

    • 12
    • 31

    Snow

    • 4
    • 18

    Chance Snow

    • 0
    • 14

    Mostly Cloudy

Today 13 Jan Shawano

Blustery. Mostly cloudy with a slight chance of light rain. Nearly steady temperature in the lower 40s. West wind 10 to 15 Mph increasing to 15 to 25 Mph in the afternoon. Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 13 Jan Shawano

Blustery. Colder. Mostly cloudy. A chance of light rain. Snow and freezing drizzle in the Evening, then a slight chance of light snow and freezing drizzle after midnight. Lows 10 to 15. Northwest wind 10 to 15 Mph increasing to 15 to 25 Mph after midnight. Chance of precipitation 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

January Temperature

Clintonville Municipal Airport (5.6 miles)

  • Lowest 2 January, 2026

    2.1 °F

  • Average January

    23.5 °F

  • Highest 9 January, 2026

    38.3 °F

Climate (2021–Present)

Clintonville Municipal Airport (5.6 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    45.6 °F

  • Average High 2021–2026

    55 °F
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