Vallejo, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vallejo, a city in Solano County, California.
Today
58°F
Light Rain
Rain. Mostly cloudy, with a high near 58. South southeast wind 7 to 10 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Vallejo
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Light Rain | 7 to 10 mph SSE | 90% |
| Tonight | 52°F | Light Rain Likely then Partly Cloudy | 5 to 9 mph ENE | 55% |
| Wednesday | 62°F | Sunny | 2 to 8 mph NNW | 1% |
| Wednesday Night | 52°F | Partly Cloudy | 2 to 8 mph WNW | 0% |
| Thursday | 64°F | Sunny | 3 mph WNW | 0% |
| Thursday Night | 53°F | Mostly Clear | 3 mph WNW | 0% |
| Friday | 65°F | Sunny | 1 mph N | 0% |
| Friday Night | 53°F | Mostly Clear | 2 mph NNE | 0% |
| Saturday | 65°F | Sunny | 0 to 7 mph NE | 0% |
| Saturday Night | 53°F | Mostly Clear | 2 mph NW | 0% |
| Sunday | 65°F | Mostly Sunny | 2 mph NNW | 0% |
| Sunday Night | 54°F | Mostly Cloudy | 2 mph NW | 0% |
| Monday | 64°F | Partly Sunny | 3 mph W | 3% |
| Monday Night | 53°F | Partly Cloudy | 3 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Vallejo (38.107, -122.262). Updated through the day.
Growing snapshot for Vallejo
Last spring frost
Jan 17
First fall frost
Dec 27
Growing season
346 days
Hardiness zone
9b
More local growing data for Vallejo: nearby ZIP 94590 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Vallejo, Ca (3.4 mi from Vallejo). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.