Fairfax, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairfax, a city in Renville County, Minnesota.
Today
48°F
Light Rain
Rain and patchy fog. Mostly cloudy, with a high near 48. Northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Fairfax
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 48°F | Light Rain | 15 to 20 mph NW | 97% |
| Tonight | 40°F | Light Rain then Chance Drizzle | 15 mph NW | 89% |
| Thursday | 46°F | Mostly Cloudy | 10 to 15 mph NNW | 8% |
| Thursday Night | 30°F | Mostly Cloudy | 5 to 10 mph N | 0% |
| Friday | 44°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 27°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 50°F | Mostly Sunny | 0 to 5 mph SSW | 1% |
| Saturday Night | 34°F | Mostly Clear | 5 mph WSW | 1% |
| Sunday | 54°F | Sunny | 5 mph WSW | 1% |
| Sunday Night | 35°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 60°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 mph WNW | 0% |
| Tuesday | 55°F | Sunny | 5 mph NW | 1% |
| Tuesday Night | 37°F | Partly Cloudy | 0 to 5 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Fairfax (44.528, -94.723). Updated through the day.
Growing snapshot for Fairfax
Last spring frost
Apr 29
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
4b
More local growing data for Fairfax: nearby ZIP 55332 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, New Ulm 2 Se, Mn (18.4 mi from Fairfax). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.