Vallejo, CA Weather & Growing Conditions
This Afternoon
61°F
Light Rain
Rain. Mostly cloudy. High near 61, with temperatures falling to around 58 in the afternoon. South southeast wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Light Rain | 5 to 10 mph SSE | 90% |
| Tonight | 48°F | Light Rain Likely then Mostly Cloudy | 7 mph ENE | 55% |
| Wednesday | 66°F | Sunny | 2 to 6 mph NW | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 2 to 6 mph WNW | 0% |
| Thursday | 69°F | Sunny | 3 mph WNW | 0% |
| Thursday Night | 49°F | Mostly Clear then Patchy Fog | 2 mph W | 0% |
| Friday | 70°F | Patchy Fog then Sunny | 2 mph N | 0% |
| Friday Night | 51°F | Mostly Clear | 1 mph NNE | 0% |
| Saturday | 70°F | Sunny | 0 to 7 mph NE | 0% |
| Saturday Night | 52°F | Mostly Clear | 2 mph NNW | 0% |
| Sunday | 69°F | Mostly Sunny | 2 mph NNW | 0% |
| Sunday Night | 52°F | Mostly Cloudy | 1 mph NW | 0% |
| Monday | 67°F | Partly Sunny | 3 mph W | 1% |
| Monday Night | 52°F | Mostly Cloudy | 0 to 3 mph W | 2% |
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 (3.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.