Grass Lake Weather Forecast

    • 36
    • 67

    Rain Showers

    • 45
    • 59

    Mostly Sunny

    • 50
    • 69

    Mostly Sunny

    • 44
    • 67

    Rain

    • 28
    • 55

    Chance Rain

    • 31
    • 42

    Chance Rain/Snow

Today 7 Mar St. Joseph

Cloudy. Showers with a chance of Thunderstorms this Morning, then a chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 60s. Temperature falling into the upper 50s this afternoon. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 7 Mar St. Joseph

Mostly cloudy in the Evening, then becoming partly cloudy. Much cooler with Lows in the mid 30s. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Grass Lake Temperature Statistics

March Temperature

Sturgis, Kirsch Municipal Airport (6.2 miles)

  • Lowest 2 March, 2026

    17.6 °F

  • Average March

    31.2 °F

  • Highest 4 March, 2026

    44.6 °F

Climate (2021–Present)

Sturgis, Kirsch Municipal Airport (6.2 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.7 °F
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