Cassopolis, MI Weather & Growing Conditions
Today
72°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 72. Southeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 72°F | Showers And Thunderstorms | 5 to 10 mph SE | 95% |
| Tonight | 62°F | Showers And Thunderstorms | 5 mph S | 85% |
| Sunday | 71°F | Showers And Thunderstorms | 5 to 10 mph N | 77% |
| Sunday Night | 51°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 34% |
| Monday | 65°F | Slight Chance Rain Showers | 10 to 15 mph NE | 16% |
| Monday Night | 47°F | Mostly Cloudy | 10 to 15 mph NE | 12% |
| Tuesday | 64°F | Partly Sunny then Slight Chance Rain Showers | 10 to 15 mph NE | 18% |
| Tuesday Night | 49°F | Slight Chance Rain Showers | 10 to 15 mph NE | 20% |
| Wednesday | 65°F | Chance Rain Showers | 10 mph NE | 31% |
| Wednesday Night | 50°F | Slight Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 16% |
| Thursday | 68°F | Partly Sunny | 5 to 10 mph NE | 4% |
| Thursday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 4% |
| Friday | 71°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Friday Night | 49°F | Partly Cloudy | 5 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cassopolis, MI
Last spring frost
May 4
First fall frost
Oct 11
Growing season
158 days
Hardiness zone
6a
Explore more for Cassopolis, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Dowagiac 1 W, Mi (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.