Greenfield, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greenfield, a city in Hennepin County, Minnesota.
Tonight
55°F
Rain Showers Likely
Rain showers likely and patchy fog before 1am, then a chance of drizzle and patchy fog between 1am and 4am, then patchy fog and a slight chance of drizzle. Cloudy, with a low around 55. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Greenfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Rain Showers Likely | 10 to 15 mph E | 36% |
| Saturday | 63°F | Patchy Fog then Cloudy | 10 mph NE | 30% |
| Saturday Night | 52°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
| Sunday | 68°F | Partly Sunny | 10 mph NE | 1% |
| Sunday Night | 48°F | Mostly Cloudy | 5 to 10 mph NE | 3% |
| Monday | 63°F | Mostly Cloudy | 5 to 10 mph ENE | 8% |
| Monday Night | 44°F | Mostly Cloudy | 5 mph ENE | 5% |
| Tuesday | 64°F | Mostly Sunny | 5 mph E | 2% |
| Tuesday Night | 45°F | Partly Cloudy | 0 to 5 mph ESE | 1% |
| Wednesday | 66°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 5 mph SSE | 11% |
| Thursday | 69°F | Partly Sunny | 0 to 5 mph SSE | 14% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph SSE | 6% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph SE | 8% |
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 Sep 19, 2026.