Fairfax, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairfax, a city in Renville County, Minnesota.
Today
61°F
Slight Chance Drizzle then Cloudy
A slight chance of drizzle before 10am. Cloudy, with a high near 61. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast for Fairfax
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 61°F | Slight Chance Drizzle then Cloudy | 5 to 10 mph NE | 21% |
| Tonight | 52°F | Mostly Cloudy | 5 to 10 mph NNE | 6% |
| Sunday | 65°F | Partly Sunny | 10 to 15 mph NE | 3% |
| Sunday Night | 49°F | Mostly Cloudy | 10 mph ENE | 4% |
| Monday | 63°F | Mostly Cloudy | 10 mph E | 9% |
| Monday Night | 44°F | Mostly Cloudy | 5 mph E | 6% |
| Tuesday | 64°F | Sunny | 5 to 10 mph E | 2% |
| Tuesday Night | 42°F | Mostly Clear | 5 mph ESE | 1% |
| Wednesday | 66°F | Sunny | 5 to 10 mph SE | 3% |
| Wednesday Night | 47°F | Partly Cloudy | 5 mph SE | 13% |
| Thursday | 68°F | Mostly Sunny | 5 to 10 mph SE | 14% |
| Thursday Night | 50°F | Partly Cloudy | 5 mph SE | 7% |
| Friday | 71°F | Mostly Sunny | 5 to 10 mph SSE | 7% |
| Friday Night | 52°F | Partly Cloudy | 5 mph SSE | 12% |
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 Sep 19, 2026.