Greenfield, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenfield, a city in Hennepin County, Minnesota.
Tonight
50°F
Patchy Fog then Light Rain
Patchy fog and a slight chance of rain before midnight, then rain and patchy fog. Cloudy, with a low around 50. North northwest wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Greenfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Patchy Fog then Light Rain | 10 mph NNW | 91% |
| Wednesday | 53°F | Light Rain | 10 mph NNW | 97% |
| Wednesday Night | 43°F | Light Rain | 10 to 15 mph NNW | 89% |
| Thursday | 48°F | Slight Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 23% |
| Thursday Night | 34°F | Mostly Cloudy | 5 to 10 mph NNE | 1% |
| Friday | 45°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 31°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph SW | 1% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph W | 8% |
| Sunday | 55°F | Mostly Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 37°F | Partly Cloudy | 5 mph SSW | 0% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 38°F | Mostly Clear | 5 mph WNW | 1% |
| Tuesday | 53°F | Mostly Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Greenfield (45.094, -93.691). Updated through the day.
Growing snapshot for Greenfield
Last spring frost
Apr 30
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
4b
More local growing data for Greenfield: nearby ZIP 55357 weather · frost dates · planting calendar · Minnesota frost dates
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Climate data from the nearest NOAA station, Delano, Mn (6.4 mi from Greenfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.