Day Valley, CA Weather & Growing Conditions
Tonight
49°F
Chance Light Rain
A chance of rain and patchy fog before 2am. Partly cloudy, with a low around 49. North wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Chance Light Rain | 0 to 5 mph N | 38% |
| Wednesday | 67°F | Sunny | 5 mph N | 1% |
| Wednesday Night | 49°F | Mostly Cloudy | 2 to 7 mph N | 0% |
| Thursday | 70°F | Mostly Sunny | 3 mph NNW | 0% |
| Thursday Night | 49°F | Mostly Clear | 1 to 5 mph N | 0% |
| Friday | 74°F | Sunny | 0 to 3 mph N | 0% |
| Friday Night | 52°F | Clear | 0 to 5 mph NNE | 0% |
| Saturday | 77°F | Sunny | 0 to 3 mph NNE | 0% |
| Saturday Night | 52°F | Mostly Clear | 0 to 5 mph NNE | 0% |
| Sunday | 76°F | Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 53°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Monday | 72°F | Mostly Sunny | 3 mph NNW | 1% |
| Monday Night | 52°F | Partly Cloudy | 1 to 6 mph NNW | 2% |
| Tuesday | 72°F | Mostly Sunny | 2 mph NNW | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Day Valley, CA
Last spring frost
Jan 29
First fall frost
Dec 13
Growing season
323 days
Hardiness zone
9b
Explore more for Day Valley, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Santa Cruz, Ca (6.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.