Harman US

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

WhenTempForecastWindPrecip
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.