Vallecito, CA Weather & Growing Conditions
This Afternoon
78°F
Sunny
Sunny, with a high near 78. West northwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 7 mph WNW | 0% |
| Tonight | 57°F | Clear | 6 mph N | 0% |
| Saturday | 83°F | Sunny | 5 mph WSW | 0% |
| Saturday Night | 61°F | Partly Cloudy | 5 mph NNE | 0% |
| Sunday | 83°F | Partly Sunny | 5 mph W | 0% |
| Sunday Night | 61°F | Mostly Cloudy | 5 mph N | 0% |
| Monday | 85°F | Sunny | 2 to 6 mph NW | 0% |
| Monday Night | 60°F | Mostly Clear | 5 mph NNE | 0% |
| Tuesday | 84°F | Sunny | 5 mph W | 0% |
| Tuesday Night | 62°F | Clear | 5 mph N | 0% |
| Wednesday | 90°F | Sunny | 3 to 7 mph WSW | 0% |
| Wednesday Night | 64°F | Mostly Clear | 5 to 8 mph NNE | 0% |
| Thursday | 93°F | Sunny | 2 to 8 mph SW | 0% |
| Thursday Night | 66°F | Mostly Clear | 5 to 8 mph NNE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Vallecito, CA
Last spring frost
Feb 20
First fall frost
Dec 11
Growing season
290 days
Hardiness zone
9a
Explore more for Vallecito, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, New Melones Dam Hq, Ca (5.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.