Harman US

Caspian, MI Weather & Growing Conditions

Tonight
42°F
Mostly Cloudy then Slight Chance Light Rain
A slight chance of rain after midnight. Mostly cloudy, with a low around 42. Southeast wind 0 to 5 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Tonight 42°F Mostly Cloudy then Slight Chance Light Rain 0 to 5 mph SE 24%
Saturday 63°F Chance Light Rain 0 to 5 mph SE 33%
Saturday Night 41°F Mostly Cloudy 0 to 5 mph NE 9%
Sunday 64°F Partly Sunny 5 to 10 mph NE 0%
Sunday Night 35°F Mostly Cloudy 0 to 10 mph NE 0%
Monday 61°F Partly Sunny 0 to 5 mph E 1%
Monday Night 32°F Partly Cloudy then Areas Of Frost 0 to 5 mph NE 1%
Tuesday 64°F Areas Of Frost then Mostly Sunny 0 to 5 mph E 1%
Tuesday Night 34°F Mostly Clear then Patchy Frost 0 to 5 mph E 4%
Wednesday 66°F Patchy Frost then Sunny 0 to 5 mph E 4%
Wednesday Night 37°F Partly Cloudy 0 to 5 mph E 2%
Thursday 69°F Mostly Sunny 0 to 5 mph S 3%
Thursday Night 40°F Partly Cloudy 0 mph 7%
Friday 72°F Mostly Sunny 0 to 5 mph NW 7%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Caspian, MI

Last spring frost
Jun 4
First fall frost
Sep 10
Growing season
95 days
Hardiness zone
4a

Explore more for Caspian, MI: full frost dates · planting calendar · Michigan frost dates

Climate data from the nearest NOAA station, Stambaugh 2Sse, Mi (0.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.