Wanamingo, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wanamingo, a city in Goodhue County, Minnesota.
Overnight
50°F
Light Rain Likely
Rain likely and patchy fog. Mostly cloudy, with a low around 50. West wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Wanamingo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Light Rain Likely | 5 mph W | 66% |
| Wednesday | 54°F | Drizzle | 5 to 10 mph WSW | 90% |
| Wednesday Night | 42°F | Drizzle then Light Rain | 10 mph WNW | 91% |
| Thursday | 49°F | Chance Drizzle then Cloudy | 10 to 15 mph NNW | 33% |
| Thursday Night | 31°F | Mostly Cloudy | 5 to 10 mph N | 1% |
| Friday | 45°F | Mostly Sunny | 5 mph NNE | 0% |
| Friday Night | 26°F | Mostly Clear | 0 mph | 0% |
| Saturday | 49°F | Sunny | 0 to 5 mph SW | 2% |
| Saturday Night | 33°F | Mostly Clear | 5 mph WSW | 2% |
| Sunday | 54°F | Sunny | 5 to 10 mph W | 4% |
| Sunday Night | 35°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 60°F | Mostly Sunny | 5 to 10 mph WSW | 1% |
| Monday Night | 37°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 56°F | Mostly Sunny | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Wanamingo (44.303, -92.787). Updated through the day.
Growing snapshot for Wanamingo
Last spring frost
May 9
First fall frost
Sep 30
Growing season
144 days
Hardiness zone
4b
More local growing data for Wanamingo: nearby ZIP 55983 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Zumbrota, Mn (7 mi from Wanamingo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.