Grand Rapids, MN Weather & Growing Conditions
Today
70°F
Mostly Sunny
Mostly sunny, with a high near 70. West wind around 10 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Mostly Sunny | 10 mph W | 0% |
| Tonight | 49°F | Mostly Clear | 0 to 10 mph SW | 0% |
| Wednesday | 75°F | Sunny | 0 to 10 mph SW | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 0 to 10 mph SW | 11% |
| Thursday | 81°F | Sunny | 10 mph SW | 11% |
| Thursday Night | 60°F | Mostly Clear | 5 to 10 mph SW | 10% |
| Friday | 82°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 16% |
| Friday Night | 56°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph NW | 22% |
| Saturday | 77°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 25% |
| Saturday Night | 56°F | Chance Rain Showers | 0 to 5 mph N | 25% |
| Sunday | 76°F | Slight Chance Rain Showers | 5 mph N | 19% |
| Sunday Night | 57°F | Partly Cloudy | 0 to 5 mph N | 13% |
| Monday | 76°F | Slight Chance Rain Showers | 0 to 5 mph N | 15% |
| Monday Night | 56°F | Slight Chance Rain Showers | 0 to 5 mph N | 18% |
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 Aug 4, 2026.