Fairfax, MN Weather & Growing Conditions
Today
71°F
Patchy Smoke
Patchy smoke between 10am and 1pm. Mostly sunny, with a high near 71. Northwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Smoke | 10 mph NW | 9% |
| Tonight | 52°F | Partly Cloudy | 5 to 10 mph W | 5% |
| 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 S | 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 | 13% |
| Saturday | 82°F | Sunny | 5 to 10 mph SSW | 10% |
| 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 Chance Showers And Thunderstorms | 5 mph ENE | 25% |
| Monday | 79°F | Chance Showers And Thunderstorms | 5 to 10 mph ENE | 25% |
| 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). Updated through the day.
Growing snapshot for Fairfax, MN
Last spring frost
Apr 29
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
4b
Explore more for Fairfax, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, New Ulm 2 Se, Mn (18.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.