Warner Valley, CA Weather & Growing Conditions
This Afternoon
73°F
Sunny
Sunny. High near 73, with temperatures falling to around 71 in the afternoon. East southeast wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Sunny | 3 mph ESE | 0% |
| Tonight | 43°F | Mostly Clear | 3 to 7 mph ENE | 0% |
| Sunday | 73°F | Partly Sunny | 3 to 8 mph SE | 0% |
| Sunday Night | 48°F | Mostly Cloudy | 5 mph N | 0% |
| Monday | 76°F | Mostly Sunny | 5 mph NE | 2% |
| Monday Night | 46°F | Mostly Clear | 3 to 8 mph NW | 0% |
| Tuesday | 75°F | Sunny | 3 to 7 mph WNW | 1% |
| Tuesday Night | 45°F | Mostly Clear | 2 to 7 mph NW | 1% |
| Wednesday | 73°F | Sunny | 2 to 7 mph WSW | 0% |
| Wednesday Night | 45°F | Partly Cloudy | 2 to 6 mph WNW | 0% |
| Thursday | 72°F | Mostly Sunny | 2 to 10 mph SSW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 3 to 9 mph SSW | 1% |
| Friday | 68°F | Mostly Sunny | 3 to 12 mph SSW | 2% |
| Friday Night | 42°F | Partly Cloudy | 5 to 10 mph SSW | 4% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Warner Valley, CA
Last spring frost
May 28
First fall frost
Sep 28
Growing season
124 days
Hardiness zone
7a
Explore more for Warner Valley, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Chester, Ca (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.