Princeton, MN Weather & Growing Conditions
Today
62°F
Slight Chance Drizzle then Cloudy
A slight chance of drizzle before 9am. Cloudy, with a high near 62. Northeast wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 62°F | Slight Chance Drizzle then Cloudy | 5 to 10 mph NE | 18% |
| Tonight | 49°F | Mostly Cloudy | 5 mph NNE | 4% |
| Sunday | 65°F | Mostly Cloudy | 5 to 10 mph NE | 1% |
| Sunday Night | 44°F | Mostly Cloudy | 5 to 10 mph NE | 0% |
| Monday | 65°F | Partly Sunny | 5 mph ENE | 1% |
| Monday Night | 40°F | Partly Cloudy | 0 to 5 mph ENE | 1% |
| Tuesday | 65°F | Sunny | 0 to 5 mph E | 1% |
| Tuesday Night | 40°F | Mostly Clear | 0 to 5 mph ESE | 0% |
| Wednesday | 66°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 44°F | Mostly Clear | 0 to 5 mph SE | 6% |
| Thursday | 68°F | Mostly Sunny | 0 to 5 mph SE | 8% |
| Thursday Night | 47°F | Partly Cloudy | 0 to 5 mph SE | 6% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 49°F | Partly Cloudy | 0 to 5 mph SSE | 10% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Princeton, MN
Last spring frost
May 8
First fall frost
Oct 1
Growing season
143 days
Hardiness zone
4b
Explore more for Princeton, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Milaca, Mn (12.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.