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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.