Wanamingo, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wanamingo, a city in Goodhue County, Minnesota.
Today
52°F
Light Rain Likely
Rain likely. Cloudy. High near 52, with temperatures falling to around 48 in the afternoon. West southwest wind 10 to 15 mph. Chance of precipitation is 70%.
7-day forecast for Wanamingo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 52°F | Light Rain Likely | 10 to 15 mph WSW | 70% |
| Tonight | 41°F | Light Rain | 5 to 15 mph WNW | 88% |
| Thursday | 48°F | Chance Light Rain then Cloudy | 10 to 15 mph NNW | 27% |
| Thursday Night | 29°F | Mostly Cloudy then Patchy Fog | 5 to 10 mph N | 2% |
| Friday | 45°F | Patchy Fog then Sunny | 5 mph N | 0% |
| Friday Night | 25°F | Mostly Clear | 0 mph | 0% |
| Saturday | 50°F | Mostly Sunny | 0 to 10 mph SW | 0% |
| 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% |
| Tuesday Night | 37°F | Partly Cloudy | 0 to 5 mph WSW | 2% |
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.