Fairmont, MN Weather & Growing Conditions
Today
62°F
Areas Of Fog
Areas of fog and a chance of drizzle before 1pm. Cloudy, with a high near 62. North northeast wind 5 to 10 mph. Chance of precipitation is 30%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Areas Of Fog | 5 to 10 mph NNE | 29% |
| Tonight | 57°F | Cloudy | 10 mph NNE | 10% |
| Sunday | 66°F | Mostly Cloudy | 10 to 15 mph NE | 10% |
| Sunday Night | 51°F | Chance Rain Showers | 10 mph ENE | 29% |
| Monday | 61°F | Chance Rain Showers | 10 mph ENE | 30% |
| Monday Night | 45°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 29% |
| Tuesday | 63°F | Mostly Sunny | 5 mph E | 4% |
| Tuesday Night | 43°F | Mostly Clear | 0 to 5 mph ESE | 1% |
| Wednesday | 65°F | Sunny | 0 to 5 mph SE | 2% |
| Wednesday Night | 48°F | Partly Cloudy | 5 mph SE | 12% |
| Thursday | 67°F | Slight Chance Rain Showers | 5 mph SSE | 17% |
| Thursday Night | 51°F | Partly Cloudy | 5 mph SE | 8% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph SE | 6% |
| Friday Night | 53°F | Partly Cloudy | 5 mph SSE | 13% |
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.