Fairfax, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairfax, a city in Renville County, Minnesota.
Today
70°F
Patchy Smoke
Patchy smoke between 10am and 1pm. Partly sunny, with a high near 70. Northwest wind 10 to 15 mph.
7-day forecast for Fairfax
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Patchy Smoke | 10 to 15 mph NW | 8% |
| Tonight | 52°F | Patchy Smoke then Partly Cloudy | 0 to 10 mph W | 4% |
| Wednesday | 74°F | Sunny | 0 to 5 mph SW | 0% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph S | 0% |
| Thursday | 79°F | Sunny | 5 to 15 mph SSW | 0% |
| Thursday Night | 61°F | Mostly Clear | 10 mph S | 4% |
| Friday | 82°F | Sunny | 5 to 10 mph SSW | 8% |
| Friday Night | 62°F | Mostly Clear | 5 to 10 mph S | 12% |
| Saturday | 82°F | Sunny | 5 to 10 mph SSW | 9% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms | 10 mph NE | 43% |
| Sunday | 80°F | Chance Showers And Thunderstorms then Mostly Sunny | 5 to 10 mph SE | 43% |
| Sunday Night | 63°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph ENE | 24% |
| Monday | 79°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph ENE | 24% |
| Monday Night | 63°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 17% |
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 Aug 4, 2026.