Cassopolis, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cassopolis, a village in Cass County, Michigan.
This Afternoon
83°F
Sunny
Sunny, with a high near 83. Southwest wind around 5 mph.
7-day forecast for Cassopolis
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Sunny | 5 mph SW | 0% |
| Tonight | 62°F | Partly Cloudy | 5 mph S | 0% |
| Wednesday | 82°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 26% |
| Wednesday Night | 64°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 93% |
| Thursday | 77°F | Chance Rain Showers | 0 to 5 mph SW | 47% |
| Thursday Night | 61°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph E | 38% |
| Friday | 81°F | Partly Sunny | 0 to 5 mph SW | 13% |
| Friday Night | 63°F | Partly Cloudy | 0 to 5 mph SW | 14% |
| Saturday | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 17% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 0 to 10 mph SW | 30% |
| Sunday | 82°F | Chance Rain Showers | 5 to 10 mph SW | 30% |
| Sunday Night | 66°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 44% |
| Monday | 84°F | Chance Showers And Thunderstorms | 5 to 15 mph SW | 52% |
| Monday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 15 mph SW | 64% |
Forecast source: National Weather Service (api.weather.gov) for Cassopolis (41.912, -86.008). Updated through the day.
Growing snapshot for Cassopolis
Last spring frost
May 4
First fall frost
Oct 11
Growing season
158 days
Hardiness zone
6a
More local growing data for Cassopolis: nearby ZIP 49031 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Dowagiac 1 W, Mi (9.8 mi from Cassopolis). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.