Palermo, CA Weather & Growing Conditions
Overnight
70°F
Clear
Clear. Low around 70, with temperatures rising to around 72 overnight. Southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Clear | 3 mph SE | 0% |
| Tuesday | 104°F | Sunny | 1 to 7 mph S | 0% |
| Tuesday Night | 67°F | Mostly Clear | 2 to 6 mph SSE | 0% |
| Wednesday | 102°F | Sunny | 2 to 7 mph S | 0% |
| Wednesday Night | 66°F | Clear | 1 to 7 mph SE | 0% |
| Thursday | 101°F | Sunny | 1 to 6 mph S | 0% |
| Thursday Night | 67°F | Clear | 1 to 6 mph SE | 0% |
| Friday | 102°F | Sunny | 1 to 6 mph SW | 0% |
| Friday Night | 69°F | Clear | 2 to 6 mph SE | 0% |
| Saturday | 103°F | Sunny | 1 to 6 mph SSW | 0% |
| Saturday Night | 69°F | Clear | 1 to 6 mph SE | 0% |
| Sunday | 100°F | Sunny | 1 to 8 mph S | 0% |
| Sunday Night | 66°F | Clear | 3 to 8 mph SSE | 1% |
| Monday | 96°F | Sunny | 3 to 9 mph SSE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Palermo, CA
Last spring frost
Jan 29
First fall frost
Dec 7
Growing season
317 days
Hardiness zone
9b
Explore more for Palermo, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Oroville Muni Ap, Ca (5.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.