Princeton, MN Weather & Growing Conditions
Today
75°F
Mostly Sunny
Mostly sunny, with a high near 75. West northwest wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 5 to 10 mph WNW | 1% |
| Tonight | 52°F | Mostly Clear | 0 to 10 mph W | 1% |
| Wednesday | 79°F | Sunny | 0 to 10 mph WSW | 0% |
| Wednesday Night | 57°F | Partly Cloudy | 5 to 10 mph SW | 1% |
| Thursday | 84°F | Sunny | 5 to 15 mph SSW | 2% |
| Thursday Night | 63°F | Mostly Clear | 10 to 15 mph SSW | 4% |
| Friday | 87°F | Sunny | 5 to 10 mph SW | 12% |
| Friday Night | 61°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 23% |
| Saturday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SSW | 17% |
| Saturday Night | 62°F | Chance Showers And Thunderstorms | 5 to 10 mph N | 46% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph NW | 46% |
| Sunday Night | 61°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 0 to 10 mph NNE | 15% |
| Monday | 82°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 18% |
| Monday Night | 60°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 21% |
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 Aug 4, 2026.