Grass Lake Weather Forecast

    • 10
    • 16

    Snow Likely

    • 17
    • 31

    Snow Likely

    • 3
    • 22

    Chance Snow Showers

    • -4
    • 8

    Chance Snow Showers

    • 0
    • 9

    Chance Snow Showers

    • 3
    • 15

    Slight Chance Snow Showers

Today 20 Jan St. Joseph

Mostly cloudy with a chance of snow Showers this Morning, then partly cloudy this afternoon. Little or no additional snow accumulation. Cold with Highs around 16. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of snow 50 percent. Wind chill Values as low as 16 below.

Tonight 20 Jan St. Joseph

Partly cloudy with a slight chance of snow in the Evening, then cloudy with snow likely after midnight. Snow accumulation around an inch. Cold with Lows around 10 above. Temperature rising to around 19 after midnight. South Winds 10 to 15 Mph. Gusts up to 25 Mph after midnight. Chance of snow 70 percent. Wind chill Values as low as zero.

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Grass Lake Temperature Statistics

January Temperature

Sturgis, Kirsch Municipal Airport (6.2 miles)

  • Lowest 17 January, 2026

    8.6 °F

  • Average January

    29.2 °F

  • Highest 8 January, 2026

    59 °F

Climate (2021–Present)

Sturgis, Kirsch Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.7 °F
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