Princeton, CA Weather & Growing Conditions
This Afternoon
92°F
Sunny
Sunny, with a high near 92. West wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Sunny | 5 mph W | 0% |
| Tonight | 57°F | Partly Cloudy | 1 to 5 mph ESE | 0% |
| Sunday | 87°F | Partly Sunny | 1 to 5 mph SSE | 0% |
| Sunday Night | 58°F | Mostly Cloudy | 3 mph SE | 0% |
| Monday | 89°F | Sunny | 1 to 6 mph SSE | 0% |
| Monday Night | 56°F | Mostly Clear | 1 to 6 mph SE | 0% |
| Tuesday | 87°F | Sunny | 1 to 6 mph SE | 0% |
| Tuesday Night | 58°F | Clear | 0 to 6 mph ESE | 0% |
| Wednesday | 89°F | Sunny | 2 mph NNE | 0% |
| Wednesday Night | 58°F | Mostly Clear | 2 mph NNE | 0% |
| Thursday | 92°F | Sunny | 1 to 5 mph ENE | 0% |
| Thursday Night | 58°F | Mostly Clear | 1 to 5 mph SE | 0% |
| Friday | 89°F | Sunny | 1 to 6 mph ESE | 0% |
| Friday Night | 57°F | Partly Cloudy | 2 to 6 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Princeton, CA
Last spring frost
Jan 29
First fall frost
Dec 7
Growing season
317 days
Hardiness zone
9b
Explore more for Princeton, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Oroville Muni Ap, Ca (17.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.