Potter Valley, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Potter Valley, a community in Mendocino County, California.
Tonight
37°F
Patchy Fog
Patchy fog after 10pm. Partly cloudy. Low around 37, with temperatures rising to around 41 overnight. Southwest wind around 2 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Potter Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 37°F | Patchy Fog | 2 mph SW | 5% |
| Wednesday | 66°F | Patchy Fog | 1 to 10 mph W | 1% |
| Wednesday Night | 34°F | Areas Of Fog | 0 to 5 mph SSW | 0% |
| Thursday | 72°F | Patchy Fog then Sunny | 0 to 6 mph WSW | 0% |
| Thursday Night | 37°F | Mostly Clear | 0 to 6 mph N | 0% |
| Friday | 76°F | Sunny | 1 mph NW | 0% |
| Friday Night | 39°F | Mostly Clear | 1 mph NE | 0% |
| Saturday | 79°F | Sunny | 2 mph NNW | 0% |
| Saturday Night | 39°F | Partly Cloudy then Areas Of Fog | 1 mph NNW | 0% |
| Sunday | 74°F | Areas Of Fog then Mostly Sunny | 2 mph NNW | 0% |
| Sunday Night | 39°F | Areas Of Fog | 1 mph NW | 2% |
| Monday | 71°F | Areas Of Fog then Partly Sunny | 2 mph WSW | 6% |
| Monday Night | 37°F | Areas Of Fog | 2 mph NNW | 5% |
| Tuesday | 72°F | Slight Chance Light Rain | 1 mph WNW | 18% |
Forecast source: National Weather Service (api.weather.gov) for Potter Valley (39.317, -123.110). Updated through the day.
Growing snapshot for Potter Valley
Last spring frost
Apr 8
First fall frost
Nov 6
Growing season
211 days
Hardiness zone
9a
More local growing data for Potter Valley: nearby ZIP 95469 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Albion
Anchor Bay
Boonville
Brooktrails
Calpella
Caspar
Cleone
Comptche
Covelo
Fort Bragg
Hopland
Laytonville
Leggett
Little River
Manchester
Mendocino
Philo
Point Arena
Redwood Valley
Talmage
Ukiah
Willits
Climate data from the nearest NOAA station, Potter Valley Powerhouse, Ca (3.8 mi from Potter Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.