Potter Valley, CA Weather & Growing Conditions
This Afternoon
78°F
Sunny
Sunny, with a high near 78. West southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 5 mph WSW | 0% |
| Tonight | 62°F | Mostly Cloudy | 5 mph N | 0% |
| Sunday | 77°F | Partly Sunny | 5 mph SW | 0% |
| Sunday Night | 62°F | Mostly Cloudy | 0 to 3 mph NNE | 0% |
| Monday | 79°F | Sunny | 2 to 6 mph WSW | 0% |
| Monday Night | 62°F | Mostly Clear | 0 to 5 mph N | 0% |
| Tuesday | 78°F | Sunny | 5 mph W | 0% |
| Tuesday Night | 60°F | Mostly Clear | 1 to 5 mph NNW | 0% |
| Wednesday | 78°F | Sunny | 5 mph W | 0% |
| Wednesday Night | 61°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Thursday | 80°F | Mostly Sunny | 5 mph SSW | 0% |
| Thursday Night | 61°F | Partly Cloudy | 1 to 5 mph NNW | 1% |
| Friday | 74°F | Mostly Sunny | 5 mph NNW | 2% |
| Friday Night | 57°F | Partly Cloudy | 1 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Potter Valley, CA
Last spring frost
Apr 8
First fall frost
Nov 6
Growing season
211 days
Hardiness zone
9a
Explore more for Potter Valley, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Potter Valley Powerhouse, Ca (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.