De Graff, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for De Graff, a city in Swift County, Minnesota.
This Afternoon
52°F
Light Rain Likely
Rain likely before 2pm, then rain and patchy fog. Cloudy. High near 52, with temperatures falling to around 48 in the afternoon. North northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for De Graff
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 52°F | Light Rain Likely | 20 mph NNW | 98% |
| Tonight | 43°F | Rain | 15 to 20 mph NNW | 100% |
| Wednesday | 48°F | Light Rain | 15 to 20 mph NNW | 94% |
| Wednesday Night | 38°F | Light Rain | 15 mph NNW | 90% |
| Thursday | 45°F | Mostly Cloudy | 10 to 15 mph NNW | 7% |
| Thursday Night | 32°F | Mostly Cloudy | 5 to 10 mph NNE | 0% |
| Friday | 43°F | Partly Sunny | 0 to 5 mph SE | 0% |
| Friday Night | 30°F | Mostly Cloudy | 0 to 5 mph S | 0% |
| Saturday | 53°F | Mostly Sunny | 5 to 10 mph SW | 3% |
| Saturday Night | 35°F | Partly Cloudy | 5 mph W | 9% |
| Sunday | 55°F | Mostly Sunny | 5 to 10 mph W | 4% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph S | 0% |
| Monday | 57°F | Mostly Sunny | 5 to 15 mph WSW | 0% |
| Monday Night | 36°F | Mostly Clear | 5 to 10 mph WNW | 0% |
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 Nov 3, 2026.