Blue Earth, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Blue Earth, a city in Faribault County, Minnesota.
This Afternoon
57°F
Light Rain Likely
Rain likely before 5pm, then rain likely and patchy fog. Mostly cloudy. High near 57, with temperatures falling to around 54 in the afternoon. North northwest wind around 15 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Blue Earth
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Light Rain Likely | 15 mph NNW | 67% |
| Tonight | 43°F | Rain | 15 mph NNW | 95% |
| Wednesday | 49°F | Light Rain | 15 mph WNW | 94% |
| Wednesday Night | 39°F | Light Rain | 15 mph NW | 80% |
| Thursday | 47°F | Light Rain Likely | 15 mph NNW | 57% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 10 mph N | 9% |
| Friday | 46°F | Partly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 29°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 53°F | Mostly Sunny | 0 to 10 mph SW | 2% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph W | 4% |
| Sunday | 58°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 35°F | Mostly Clear | 5 to 10 mph SSW | 1% |
| Monday | 61°F | Mostly Sunny | 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Blue Earth (43.641, -94.100). Updated through the day.
Growing snapshot for Blue Earth
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
166 days
Hardiness zone
5a
More local growing data for Blue Earth: nearby ZIP 56013 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winnebago, Mn (10.4 mi from Blue Earth). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.