Wanamingo, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Wanamingo, a city in Goodhue County, Minnesota.
Overnight
66°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a low around 66. Southwest wind around 15 mph. Chance of precipitation is 60%.
7-day forecast for Wanamingo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Showers And Thunderstorms Likely | 15 mph SW | 56% |
| Tuesday | 74°F | Showers And Thunderstorms Likely | 10 mph WNW | 56% |
| Tuesday Night | 54°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 10 mph WNW | 15% |
| Wednesday | 75°F | Sunny | 0 to 5 mph NW | 1% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 5 mph WSW | 0% |
| Thursday | 79°F | Sunny | 5 to 10 mph SSW | 0% |
| Thursday Night | 61°F | Mostly Clear | 10 mph SSW | 3% |
| Friday | 82°F | Sunny | 10 to 15 mph SSW | 10% |
| Friday Night | 63°F | Slight Chance Showers And Thunderstorms | 5 to 15 mph SSW | 17% |
| Saturday | 83°F | Sunny | 5 to 10 mph SSW | 11% |
| Saturday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 46% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 46% |
| Sunday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 30% |
| Monday | 82°F | Chance Showers And Thunderstorms | 5 to 10 mph ENE | 30% |
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 Aug 4, 2026.