Grand Rapids, MN Weather & Growing Conditions
Tonight
49°F
Chance Rain Showers then Patchy Fog
A chance of rain showers before 8pm, then a slight chance of drizzle between 8pm and 10pm, then patchy fog. Mostly cloudy, with a low around 49. East wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Chance Rain Showers then Patchy Fog | 5 to 10 mph E | 28% |
| Saturday | 67°F | Patchy Fog then Partly Sunny | 5 mph NE | 4% |
| Saturday Night | 49°F | Mostly Cloudy | 5 mph N | 2% |
| Sunday | 63°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Sunday Night | 41°F | Mostly Cloudy | 5 mph E | 0% |
| Monday | 61°F | Mostly Sunny | 5 to 10 mph E | 0% |
| Monday Night | 39°F | Mostly Clear | 5 mph SE | 0% |
| Tuesday | 63°F | Sunny | 5 to 10 mph SE | 0% |
| Tuesday Night | 40°F | Mostly Clear | 5 mph SE | 0% |
| Wednesday | 64°F | Mostly Sunny | 5 to 10 mph SE | 1% |
| Wednesday Night | 44°F | Partly Cloudy | 5 mph SE | 12% |
| Thursday | 66°F | Partly Sunny | 5 to 10 mph S | 12% |
| Thursday Night | 47°F | Partly Cloudy | 5 mph S | 6% |
| Friday | 69°F | Mostly Sunny | 5 to 10 mph S | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grand Rapids, MN
Last spring frost
May 17
First fall frost
Sep 24
Growing season
130 days
Hardiness zone
4a
Explore more for Grand Rapids, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Grand Rpds Forest Lab, Mn (1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.