Palermo, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Palermo, a community in Butte County, California.
This Afternoon
91°F
Sunny
Sunny, with a high near 91. West southwest wind around 5 mph.
7-day forecast for Palermo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 91°F | Sunny | 5 mph WSW | 0% |
| Tonight | 61°F | Partly Cloudy | 1 to 6 mph ESE | 0% |
| Sunday | 88°F | Mostly Sunny | 1 to 5 mph S | 0% |
| Sunday Night | 61°F | Mostly Cloudy | 3 mph SE | 0% |
| Monday | 87°F | Sunny | 2 to 7 mph S | 0% |
| Monday Night | 59°F | Mostly Clear | 1 to 7 mph SE | 0% |
| Tuesday | 87°F | Sunny | 5 mph SSE | 0% |
| Tuesday Night | 60°F | Clear | 1 to 6 mph ESE | 0% |
| Wednesday | 90°F | Sunny | 3 mph SW | 0% |
| Wednesday Night | 61°F | Mostly Clear | 0 to 3 mph ENE | 0% |
| Thursday | 93°F | Sunny | 1 to 5 mph SSW | 0% |
| Thursday Night | 62°F | Mostly Clear | 5 mph ESE | 0% |
| Friday | 90°F | Sunny | 6 mph SSE | 0% |
| Friday Night | 61°F | Mostly Clear | 6 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Palermo (39.431, -121.523). Updated through the day.
Growing snapshot for Palermo
Last spring frost
Jan 29
First fall frost
Dec 7
Growing season
317 days
Hardiness zone
9b
More local growing data for Palermo: nearby ZIP 95968 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, Oroville Muni Ap, Ca (5.2 mi from Palermo). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.