Rapid River, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rapid River, a community in Delta County, Michigan.
Tonight
42°F
Mostly Cloudy
Mostly cloudy, with a low around 42. East wind around 0 mph.
7-day forecast for Rapid River
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Mostly Cloudy | 0 mph | 9% |
| Saturday | 67°F | Partly Sunny then Slight Chance Light Rain | 0 to 10 mph E | 16% |
| Saturday Night | 42°F | Mostly Cloudy | 0 to 5 mph NE | 7% |
| Sunday | 68°F | Mostly Sunny | 5 to 15 mph N | 0% |
| Sunday Night | 38°F | Mostly Cloudy | 5 to 15 mph NE | 0% |
| Monday | 64°F | Partly Sunny | 5 mph NE | 0% |
| Monday Night | 37°F | Partly Cloudy | 0 to 5 mph NE | 0% |
| Tuesday | 66°F | Mostly Sunny | 0 to 10 mph NE | 1% |
| Tuesday Night | 39°F | Partly Cloudy | 0 to 5 mph E | 4% |
| Wednesday | 68°F | Mostly Sunny | 0 to 10 mph E | 6% |
| Wednesday Night | 41°F | Partly Cloudy | 0 to 5 mph E | 6% |
| Thursday | 71°F | Mostly Sunny | 0 to 5 mph E | 3% |
| Thursday Night | 42°F | Partly Cloudy | 0 to 5 mph SE | 3% |
| Friday | 74°F | Mostly Sunny | 0 to 5 mph N | 4% |
Forecast source: National Weather Service (api.weather.gov) for Rapid River (45.926, -86.974). Updated through the day.
Growing snapshot for Rapid River
Last spring frost
May 18
First fall frost
Oct 4
Growing season
137 days
Hardiness zone
5a
More local growing data for Rapid River: nearby ZIP 49878 weather · frost dates · planting calendar · Michigan frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rapid Rvr 4Sse, Mi (6.2 mi from Rapid River). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.