Warner Valley, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Warner Valley, a community in Plumas County, California.
This Afternoon
44°F
Areas Of Fog
Areas of fog and a slight chance of rain. Mostly cloudy. High near 44, with temperatures falling to around 39 in the afternoon. Wind around 0 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Warner Valley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 44°F | Areas Of Fog | 0 mph | 24% |
| Tonight | 28°F | Haze | 1 mph N | 3% |
| Wednesday | 52°F | Widespread Frost then Mostly Sunny | 2 mph W | 0% |
| Wednesday Night | 30°F | Widespread Frost | 1 to 5 mph NNW | 0% |
| Thursday | 56°F | Widespread Frost then Sunny | 0 to 3 mph NNE | 0% |
| Thursday Night | 34°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Friday | 61°F | Mostly Sunny | 2 mph NNE | 0% |
| Friday Night | 36°F | Mostly Clear | 0 to 7 mph NE | 0% |
| Saturday | 62°F | Sunny | 0 to 3 mph SE | 0% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 3 mph SW | 0% |
| Sunday | 59°F | Mostly Sunny | 1 to 6 mph SW | 0% |
| Sunday Night | 35°F | Partly Cloudy | 2 mph SW | 1% |
| Monday | 56°F | Mostly Sunny | 0 to 6 mph SSW | 5% |
| Monday Night | 35°F | Partly Cloudy | 0 to 3 mph WSW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Warner Valley (40.404, -121.341). Updated through the day.
Growing snapshot for Warner Valley
Last spring frost
May 28
First fall frost
Sep 28
Growing season
124 days
Hardiness zone
7a
More local growing data for Warner Valley: nearby ZIP 96020 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Almanor
Beckwourth
Belden
Blairsden
Bucks Lake
C-Road
Canyondam
Caribou
Chester
Chilcoot-Vinton
Clear Creek
Clio
Crescent Mills
Cromberg
Delleker
East Quincy
East Shore
Gold Mountain
Graeagle
Greenhorn
Greenville
Hamilton Branch
Indian Falls
Iron Horse
Johnsville
Keddie
La Porte
Lake Almanor Country Club
Lake Almanor Peninsula
Lake Almanor West
Climate data from the nearest NOAA station, Chester, Ca (1.1 mi from Warner Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.