Granite Falls, MN Weather & Growing Conditions
Today
70°F
Patchy Smoke then Mostly Sunny
Patchy smoke before 11am. Mostly sunny, with a high near 70. Northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Patchy Smoke then Mostly Sunny | 5 to 10 mph NW | 5% |
| Tonight | 51°F | Partly Cloudy | 0 to 5 mph WSW | 2% |
| Wednesday | 78°F | Sunny | 5 to 10 mph SW | 0% |
| Wednesday Night | 57°F | Mostly Clear | 5 to 10 mph SSW | 1% |
| Thursday | 81°F | Sunny | 10 to 15 mph SSW | 1% |
| Thursday Night | 62°F | Mostly Clear | 5 to 10 mph SSW | 3% |
| Friday | 83°F | Sunny | 5 to 10 mph SSW | 7% |
| Friday Night | 62°F | Mostly Clear | 5 to 10 mph S | 8% |
| Saturday | 83°F | Sunny | 5 to 10 mph S | 7% |
| Saturday Night | 63°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 32% |
| Sunday | 82°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph NE | 29% |
| Sunday Night | 63°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph ENE | 18% |
| Monday | 81°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 18% |
| Monday Night | 62°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 15% |
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 Aug 4, 2026.