Grass Lake Weather Forecast
- 36
- 67
Rain Showers
- 45
- 59
Mostly Sunny
- 49
- 69
Mostly Sunny
- 39
- 65
Rain
- 29
- 48
Chance Rain
- 33
- 46
Chance Rain/Snow
Today 7 Mar St. Joseph
Mostly cloudy. A chance of Showers early. A chance of Thunderstorms. Showers. Highs in the mid 60s. 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.
Grass Lake Temperature Statistics
March Temperature
Sturgis, Kirsch Municipal Airport (6.2 miles)
Lowest 2 March, 2026
17.6 °FAverage March
31.2 °FHighest 4 March, 2026
44.6 °F
Climate (2021–Present)
Sturgis, Kirsch Municipal Airport (6.2 miles)
Average Low 2021–2026
42.1 °FAverage 2021–2026
50.8 °FAverage High 2021–2026
59.7 °F