Vallejo, CA Weather & Growing Conditions
Today
63°F
Sunny
Sunny, with a high near 63. West wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Sunny | 5 to 10 mph W | 1% |
| Tonight | 52°F | Mostly Cloudy | 3 to 8 mph WNW | 1% |
| Thursday | 64°F | Sunny | 3 mph WSW | 0% |
| Thursday Night | 52°F | Mostly Clear | 3 mph WNW | 0% |
| Friday | 64°F | Mostly Sunny | 2 mph NNE | 0% |
| Friday Night | 53°F | Mostly Clear | 0 to 3 mph NE | 0% |
| Saturday | 66°F | Sunny | 1 to 8 mph NE | 0% |
| Saturday Night | 53°F | Mostly Clear | 2 mph NNW | 0% |
| Sunday | 66°F | Mostly Sunny | 2 mph NW | 0% |
| Sunday Night | 53°F | Partly Cloudy | 1 mph WNW | 0% |
| Monday | 65°F | Mostly Sunny | 3 mph W | 0% |
| Monday Night | 52°F | Partly Cloudy | 1 mph W | 1% |
| Tuesday | 66°F | Mostly Sunny | 2 mph NW | 1% |
| Tuesday Night | 54°F | Partly Cloudy | 2 mph WSW | 8% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Vallejo, CA
Last spring frost
Jan 17
First fall frost
Dec 27
Growing season
346 days
Hardiness zone
9b
Explore more for Vallejo, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Vallejo, Ca (5.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.