Fairfax, MN Weather & Growing Conditions
Tonight
56°F
Patchy Fog
Patchy fog and showers and thunderstorms likely before 1am, then a chance of drizzle. Cloudy, with a low around 56. East northeast wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Patchy Fog | 10 to 15 mph ENE | 61% |
| Saturday | 63°F | Slight Chance Drizzle then Cloudy | 10 mph NNE | 17% |
| Saturday Night | 52°F | Mostly Cloudy | 10 mph NNE | 12% |
| Sunday | 66°F | Partly Sunny | 10 to 15 mph NE | 4% |
| Sunday Night | 50°F | Mostly Cloudy | 10 mph ENE | 14% |
| Monday | 61°F | Chance Rain Showers | 10 mph ENE | 33% |
| Monday Night | 45°F | Chance Rain Showers then Mostly Cloudy | 5 mph ENE | 25% |
| Tuesday | 63°F | Mostly Sunny | 5 to 10 mph E | 3% |
| Tuesday Night | 44°F | Mostly Clear | 5 mph ESE | 1% |
| Wednesday | 65°F | Sunny | 5 to 10 mph SE | 1% |
| Wednesday Night | 48°F | Partly Cloudy then Slight Chance Rain Showers | 5 mph SSE | 19% |
| Thursday | 69°F | Slight Chance Rain Showers | 5 mph SSE | 19% |
| Thursday Night | 51°F | Partly Cloudy | 5 mph SSE | 8% |
| Friday | 70°F | Mostly Sunny | 5 to 10 mph SE | 8% |
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 Sep 19, 2026.