Amboy, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Amboy, a city in Blue Earth County, Minnesota.
Tonight
44°F
Rain
Rain and patchy fog. Cloudy. Low around 44, with temperatures rising to around 47 overnight. Northwest wind around 15 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Amboy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Rain | 15 mph NW | 97% |
| Wednesday | 49°F | Light Rain | 15 mph WNW | 97% |
| Wednesday Night | 40°F | Light Rain | 15 mph NW | 96% |
| Thursday | 47°F | Chance Light Rain | 15 mph NNW | 54% |
| Thursday Night | 34°F | Mostly Cloudy | 5 to 10 mph N | 8% |
| Friday | 46°F | Partly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 29°F | Partly Cloudy | 0 to 5 mph SSE | 0% |
| Saturday | 53°F | Mostly Sunny | 5 to 10 mph SW | 2% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph WSW | 4% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 4% |
| Sunday Night | 36°F | Mostly Clear | 5 to 10 mph SSW | 0% |
| Monday | 60°F | Mostly Sunny | 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 mph WNW | 1% |
| Tuesday | 56°F | Mostly Sunny | 5 mph W | 1% |
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
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Minnesota Lake
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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 Nov 4, 2026.