Constantine, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Constantine, a village in St. Joseph County, Michigan.
Today
83°F
Sunny
Sunny, with a high near 83. South wind 0 to 5 mph.
7-day forecast for Constantine
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 0 to 5 mph S | 0% |
| Tonight | 60°F | Mostly Clear | 5 mph S | 0% |
| Wednesday | 83°F | Mostly Sunny | 5 to 10 mph SW | 12% |
| Wednesday Night | 65°F | Chance Showers And Thunderstorms | 5 mph SW | 77% |
| Thursday | 80°F | Showers And Thunderstorms | 5 mph SW | 77% |
| Thursday Night | 62°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SW | 70% |
| Friday | 82°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 21% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SW | 21% |
| Saturday | 84°F | Mostly Sunny | 0 to 10 mph SW | 12% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 23% |
| Sunday | 86°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 15 mph SW | 23% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 to 15 mph SW | 40% |
| Monday | 85°F | Chance Rain Showers | 5 to 15 mph SW | 40% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 5 to 15 mph SW | 47% |
Forecast source: National Weather Service (api.weather.gov) for Constantine (41.838, -85.665). Updated through the day.
Growing snapshot for Constantine
Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
170 days
Hardiness zone
6a
More local growing data for Constantine: nearby ZIP 49042 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Three Rivers, Mi (5.1 mi from Constantine). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.