Amboy, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Amboy, a city in Blue Earth County, Minnesota.
Today
71°F
Patchy Smoke then Chance Rain Showers
Patchy smoke before noon, then a chance of rain showers and patchy smoke. Mostly cloudy, with a high near 71. Northwest wind 5 to 10 mph. Chance of precipitation is 40%.
7-day forecast for Amboy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Smoke then Chance Rain Showers | 5 to 10 mph NW | 35% |
| Tonight | 53°F | Chance Rain Showers then Patchy Smoke | 0 to 5 mph W | 27% |
| Wednesday | 76°F | Sunny | 0 to 5 mph WSW | 1% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 5 mph S | 0% |
| Thursday | 78°F | Sunny | 5 to 10 mph S | 1% |
| Thursday Night | 62°F | Mostly Clear | 10 mph S | 3% |
| Friday | 82°F | Sunny | 10 to 15 mph SSW | 13% |
| Friday Night | 65°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 22% |
| Saturday | 83°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 17% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 to 15 mph S | 41% |
| Sunday | 82°F | Chance Showers And Thunderstorms | 10 mph ESE | 41% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph ENE | 33% |
| Monday | 81°F | Chance Showers And Thunderstorms | 10 mph E | 33% |
| Monday Night | 66°F | Mostly Cloudy then Chance Showers And Thunderstorms | 10 mph NE | 27% |
Forecast source: National Weather Service (api.weather.gov) for Amboy (43.888, -94.158). Updated through the day.
Growing snapshot for Amboy
Last spring frost
Apr 30
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a
More local growing data for Amboy: nearby ZIP 56010 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Eagle Lake
Garden City
Good Thunder
Lake Crystal
Madison Lake
Mankato
Mapleton
Minnesota Lake
Pemberton
Skyline
St. Clair
Vernon Center
Climate data from the nearest NOAA station, Amboy, Mn (0.7 mi from Amboy). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.