Three Rivers, MI Weather & Growing Conditions
Overnight
56°F
Chance Showers And Thunderstorms
A chance of rain showers before 5am, then a chance of showers and thunderstorms. Cloudy. Low around 56, with temperatures rising to around 62 overnight. East wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 56°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 42% |
| Saturday | 72°F | Showers And Thunderstorms | 5 to 10 mph SE | 95% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms | 5 mph S | 87% |
| Sunday | 70°F | Rain Showers Likely | 5 to 15 mph N | 63% |
| Sunday Night | 51°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph NE | 30% |
| Monday | 64°F | Slight Chance Rain Showers | 10 to 15 mph NE | 15% |
| Monday Night | 47°F | Mostly Cloudy | 10 to 15 mph NE | 13% |
| Tuesday | 64°F | Partly Sunny | 10 to 15 mph NE | 12% |
| Tuesday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 25% |
| Wednesday | 64°F | Chance Rain Showers | 10 to 15 mph NE | 39% |
| Wednesday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NE | 28% |
| Thursday | 67°F | Partly Sunny | 5 to 10 mph NE | 5% |
| Thursday Night | 50°F | Mostly Cloudy | 5 to 10 mph NE | 5% |
| Friday | 71°F | Mostly Sunny | 5 to 10 mph NE | 3% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Three Rivers, MI
Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
170 days
Hardiness zone
6a
Explore more for Three Rivers, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Three Rivers, Mi (3.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.