De Graff, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for De Graff, a city in Swift County, Minnesota.
Overnight
57°F
Chance Drizzle
A chance of drizzle before 5am, then a chance of drizzle and patchy fog. Cloudy, with a low around 57. East wind 5 to 10 mph. Chance of precipitation is 30%.
7-day forecast for De Graff
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Chance Drizzle | 5 to 10 mph E | 34% |
| Saturday | 62°F | Patchy Fog then Cloudy | 5 to 10 mph NE | 18% |
| Saturday Night | 51°F | Mostly Cloudy | 5 mph NNE | 6% |
| Sunday | 65°F | Mostly Cloudy | 10 to 15 mph ENE | 1% |
| Sunday Night | 47°F | Mostly Cloudy | 10 mph ENE | 3% |
| Monday | 65°F | Partly Sunny | 10 mph E | 5% |
| Monday Night | 43°F | Partly Cloudy | 5 mph E | 4% |
| Tuesday | 65°F | Sunny | 5 to 10 mph ESE | 1% |
| Tuesday Night | 43°F | Mostly Clear | 5 to 10 mph SE | 0% |
| Wednesday | 67°F | Mostly Sunny | 5 to 15 mph SE | 3% |
| Wednesday Night | 47°F | Partly Cloudy | 5 to 10 mph SE | 14% |
| Thursday | 69°F | Partly Sunny | 10 to 15 mph SE | 14% |
| Thursday Night | 50°F | Mostly Cloudy | 5 to 10 mph SE | 10% |
| Friday | 72°F | Partly Sunny | 5 to 15 mph SSE | 10% |
Forecast source: National Weather Service (api.weather.gov) for De Graff (45.260, -95.468). Updated through the day.
Growing snapshot for De Graff
Last spring frost
May 4
First fall frost
Oct 3
Growing season
151 days
Hardiness zone
4b
More local growing data for De Graff: nearby ZIP 56271 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Benson, Mn (11.1 mi from De Graff). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.