Vacaville, CA Weather & Growing Conditions
Overnight
62°F
Clear
Clear, with a low around 62. Southwest wind around 12 mph, with gusts as high as 20 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Clear | 12 mph SW | 0% |
| Tuesday | 93°F | Sunny | 9 to 14 mph SW | 0% |
| Tuesday Night | 61°F | Clear | 10 to 15 mph SW | 0% |
| Wednesday | 92°F | Sunny | 9 to 14 mph SW | 0% |
| Wednesday Night | 60°F | Clear | 9 to 14 mph SW | 0% |
| Thursday | 93°F | Sunny | 7 to 14 mph WSW | 0% |
| Thursday Night | 61°F | Clear | 9 to 14 mph WSW | 0% |
| Friday | 95°F | Sunny | 6 to 13 mph WSW | 0% |
| Friday Night | 63°F | Clear | 9 to 13 mph WSW | 0% |
| Saturday | 96°F | Sunny | 6 to 13 mph SW | 0% |
| Saturday Night | 64°F | Clear | 9 to 13 mph SW | 0% |
| Sunday | 92°F | Sunny | 8 to 15 mph SW | 0% |
| Sunday Night | 60°F | Mostly Clear | 15 mph SW | 0% |
| Monday | 86°F | Sunny | 12 to 15 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Vacaville, CA
Last spring frost
Feb 18
First fall frost
Nov 28
Growing season
283 days
Hardiness zone
9b
Explore more for Vacaville, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Vacaville Nut Tree Ap, Ca (3.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.