Blue Earth, MN Weather & Growing Conditions
Today
64°F
Chance Drizzle then Patchy Fog
A chance of drizzle and patchy fog before 11am, then patchy fog and a slight chance of drizzle between 11am and 2pm. Cloudy, with a high near 64. North wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 64°F | Chance Drizzle then Patchy Fog | 5 to 10 mph N | 35% |
| Tonight | 56°F | Cloudy | 10 mph NNE | 8% |
| Sunday | 66°F | Mostly Cloudy | 10 to 15 mph NE | 8% |
| Sunday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph ENE | 22% |
| Monday | 61°F | Chance Rain Showers | 10 mph ENE | 27% |
| Monday Night | 45°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 27% |
| Tuesday | 63°F | Mostly Sunny | 5 to 10 mph E | 5% |
| Tuesday Night | 43°F | Mostly Clear | 0 to 5 mph ESE | 1% |
| Wednesday | 65°F | Sunny | 5 mph SE | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 5 mph SE | 10% |
| Thursday | 67°F | Slight Chance Rain Showers | 5 mph SE | 15% |
| Thursday Night | 51°F | Partly Cloudy | 0 to 5 mph SE | 8% |
| Friday | 70°F | Mostly Sunny | 0 to 10 mph SE | 5% |
| Friday Night | 52°F | Partly Cloudy | 5 mph SSE | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Blue Earth, MN
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
166 days
Hardiness zone
5a
Explore more for Blue Earth, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Winnebago, Mn (10.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.