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Fairmont, MN Weather & Growing Conditions

This Afternoon
67°F
Slight Chance Drizzle
A slight chance of drizzle before 4pm. Cloudy. High near 67, with temperatures falling to around 63 in the afternoon. North wind around 10 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 67°F Slight Chance Drizzle 10 mph N 17%
Tonight 55°F Cloudy 10 mph NNE 9%
Sunday 67°F Mostly Cloudy 10 to 15 mph NE 6%
Sunday Night 51°F Mostly Cloudy then Chance Rain Showers 10 mph ENE 31%
Monday 58°F Chance Rain Showers 10 mph NE 52%
Monday Night 46°F Chance Rain Showers then Mostly Cloudy 5 to 10 mph NE 52%
Tuesday 62°F Mostly Sunny 5 to 10 mph E 5%
Tuesday Night 44°F Partly Cloudy 0 to 5 mph ESE 0%
Wednesday 66°F Sunny 5 mph SE 1%
Wednesday Night 50°F Partly Cloudy then Slight Chance Rain Showers 5 mph SE 18%
Thursday 68°F Chance Rain Showers 5 to 10 mph SSE 35%
Thursday Night 54°F Slight Chance Rain Showers then Mostly Cloudy 5 mph SSE 19%
Friday 72°F Partly Sunny 5 to 10 mph SE 13%
Friday Night 56°F Mostly Cloudy 5 mph SE 14%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Fairmont, MN

Last spring frost
Apr 25
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
5a

Explore more for Fairmont, MN: full frost dates · planting calendar · Minnesota frost dates

Climate data from the nearest NOAA station, Fairmont, Mn (1.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.