Princeton, WI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Princeton, a city in Green Lake County, Wisconsin.
This Afternoon
67°F
Chance Light Rain
A chance of rain. Cloudy, with a high near 67. South wind around 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Princeton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Chance Light Rain | 15 mph S | 38% |
| Tonight | 58°F | Light Rain | 10 to 15 mph S | 93% |
| Wednesday | 62°F | Light Rain | 10 to 15 mph S | 87% |
| Wednesday Night | 46°F | Light Rain Likely | 10 mph SW | 64% |
| Thursday | 54°F | Light Rain | 5 to 10 mph W | 84% |
| Thursday Night | 36°F | Chance Light Rain then Cloudy | 10 mph N | 26% |
| Friday | 48°F | Slight Chance Light Rain then Partly Sunny | 5 to 15 mph N | 16% |
| Friday Night | 29°F | Partly Cloudy | 0 to 5 mph N | 2% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 0% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 9% |
| Sunday | 57°F | Slight Chance Light Rain | 5 to 10 mph W | 16% |
| Sunday Night | 33°F | Mostly Clear | 5 mph W | 2% |
| Monday | 60°F | Mostly Sunny | 5 to 10 mph SW | 1% |
| Monday Night | 37°F | Partly Cloudy | 5 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Princeton (43.856, -89.125). Updated through the day.
Growing snapshot for Princeton
Last spring frost
May 3
First fall frost
Oct 5
Growing season
153 days
Hardiness zone
5a
More local growing data for Princeton: nearby ZIP 54968 weather · frost dates · planting calendar · Wisconsin frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Montello, Wi (10.1 mi from Princeton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.