Granite Falls, MN Weather & Growing Conditions
Overnight
58°F
Chance Drizzle
A chance of drizzle. Cloudy, with a low around 58. East northeast wind around 5 mph. Chance of precipitation is 40%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Chance Drizzle | 5 mph ENE | 35% |
| Saturday | 63°F | Slight Chance Drizzle then Cloudy | 5 to 10 mph NE | 24% |
| Saturday Night | 52°F | Mostly Cloudy | 5 mph N | 7% |
| Sunday | 65°F | Mostly Cloudy | 5 to 10 mph NE | 3% |
| Sunday Night | 48°F | Mostly Cloudy | 5 to 10 mph ENE | 4% |
| Monday | 64°F | Mostly Cloudy | 5 to 10 mph E | 10% |
| Monday Night | 44°F | Partly Cloudy | 5 mph E | 7% |
| Tuesday | 65°F | Mostly Sunny | 5 to 10 mph ESE | 3% |
| Tuesday Night | 43°F | Mostly Clear | 5 mph SE | 1% |
| Wednesday | 68°F | Mostly Sunny | 5 to 10 mph SE | 4% |
| Wednesday Night | 48°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph SE | 16% |
| Thursday | 70°F | Slight Chance Rain Showers | 5 to 10 mph SSE | 16% |
| Thursday Night | 51°F | Partly Cloudy | 5 mph SE | 10% |
| Friday | 73°F | Partly Sunny | 5 to 10 mph SSE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Granite Falls, MN
Last spring frost
May 4
First fall frost
Oct 1
Growing season
150 days
Hardiness zone
4b
Explore more for Granite Falls, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Granite Falls, Mn (1.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.