Vacaville, CA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Vacaville, a city in Solano County, California.
Tonight
60°F
Clear
Clear, with a low around 60. Southwest wind 2 to 7 mph.
7-day forecast for Vacaville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Clear | 2 to 7 mph SW | 0% |
| Saturday | 91°F | Sunny | 2 to 8 mph SSW | 0% |
| Saturday Night | 61°F | Partly Cloudy | 3 to 8 mph SW | 0% |
| Sunday | 84°F | Partly Sunny | 3 to 9 mph SW | 0% |
| Sunday Night | 61°F | Mostly Cloudy | 5 to 9 mph SW | 0% |
| Monday | 86°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 60°F | Mostly Clear | 2 to 10 mph WSW | 0% |
| Tuesday | 89°F | Sunny | 2 to 8 mph WSW | 0% |
| Tuesday Night | 62°F | Clear | 0 to 8 mph W | 0% |
| Wednesday | 97°F | Sunny | 2 mph NNW | 0% |
| Wednesday Night | 66°F | Mostly Clear | 2 mph NW | 0% |
| Thursday | 98°F | Sunny | 0 to 8 mph NW | 0% |
| Thursday Night | 65°F | Mostly Clear | 2 to 8 mph WSW | 0% |
| Friday | 91°F | Sunny | 2 to 9 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Vacaville (38.359, -121.969). Updated through the day.
Growing snapshot for Vacaville
Last spring frost
Feb 18
First fall frost
Nov 28
Growing season
283 days
Hardiness zone
9b
More local growing data for Vacaville: nearby ZIP 95687 weather · frost dates · planting calendar · California frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Vacaville Nut Tree Ap, Ca (3.7 mi from Vacaville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.