Vallecito, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vallecito, a community in Calaveras County, California.
Overnight
42°F
Mostly Clear
Mostly clear, with a low around 42. Northeast wind around 6 mph.
7-day forecast for Vallecito
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 42°F | Mostly Clear | 6 mph NE | 0% |
| Wednesday | 64°F | Sunny | 2 to 6 mph NW | 1% |
| Wednesday Night | 44°F | Mostly Cloudy | 5 mph NNE | 1% |
| Thursday | 66°F | Mostly Sunny | 3 mph W | 0% |
| Thursday Night | 45°F | Clear | 5 mph NE | 0% |
| Friday | 68°F | Sunny | 0 to 5 mph ESE | 0% |
| Friday Night | 49°F | Mostly Clear | 5 mph ENE | 0% |
| Saturday | 73°F | Sunny | 0 to 5 mph WNW | 0% |
| Saturday Night | 50°F | Mostly Clear | 1 to 7 mph NNW | 0% |
| Sunday | 74°F | Sunny | 0 to 6 mph NW | 0% |
| Sunday Night | 52°F | Partly Cloudy | 1 to 6 mph NE | 0% |
| Monday | 72°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Monday Night | 50°F | Partly Cloudy | 1 to 5 mph NNE | 1% |
| Tuesday | 71°F | Sunny | 0 to 3 mph NW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Vallecito (38.083, -120.468). Updated through the day.
Growing snapshot for Vallecito
Last spring frost
Feb 20
First fall frost
Dec 11
Growing season
290 days
Hardiness zone
9a
More local growing data for Vallecito: nearby ZIP 95251 weather · frost dates · planting calendar · California frost dates
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Climate data from the nearest NOAA station, New Melones Dam Hq, Ca (5.5 mi from Vallecito). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.