Vacaville, CA Weather Forecast
Local 7-day forecast
Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Vacaville, CA in one place.
Clear. Low around 57, with temperatures rising to around 59 overnight. Southwest wind around 9 mph.
Local Weather Overview
This forecast page for Vacaville, CA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 4:49 AM PDT.
The active forecast window currently covers Jul 17 to Jul 23, 2026 for Vacaville, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 17 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 4:49 AM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Vacaville
Wednesday looks like the warmest upcoming period in Vacaville at 88 degrees F.
Overnight is the coolest period ahead with temperatures near 57 degrees F.
The strongest winds are forecast for Friday at about 8 to 14 mph SW.
The forecast from Jul 17 through Jul 23 stays mostly dry.
Forecast Details
- Last updated
- Jul 17, 2026 4:49 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- STO
- Radar station
- KDAX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny, with a high near 85. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.
Clear, with a low around 57. Southwest wind 8 to 13 mph, with gusts as high as 22 mph.
Sunny, with a high near 86. Southwest wind 7 to 12 mph, with gusts as high as 21 mph.
Mostly clear, with a low around 58. West southwest wind 8 to 12 mph, with gusts as high as 21 mph.
Mostly sunny, with a high near 86.
Mostly cloudy, with a low around 62.
Partly sunny, with a high near 84.
Partly cloudy, with a low around 63.
Sunny, with a high near 87.
Mostly clear, with a low around 63.
Sunny, with a high near 88.
Mostly clear, with a low around 62.
Sunny, with a high near 87.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 17
|
Clear
|
57°F |
9 mph
SW
|
|
Friday
Jul 17
|
Sunny
|
85°F |
8 to 14 mph
SW
|
|
Friday Night
Jul 17
|
Clear
|
57°F |
8 to 13 mph
SW
|
|
Saturday
Jul 18
|
Sunny
|
86°F |
7 to 12 mph
SW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
58°F |
8 to 12 mph
WSW
|
|
Sunday
Jul 19
|
Mostly Sunny
|
86°F |
6 to 13 mph
WSW
|
|
Sunday Night
Jul 19
|
Mostly Cloudy
|
62°F |
9 to 13 mph
SW
|
|
Monday
Jul 20
|
Partly Sunny
|
84°F |
8 to 13 mph
SW
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
63°F |
8 to 13 mph
WSW
|
|
Tuesday
Jul 21
|
Sunny
|
87°F |
7 to 14 mph
WSW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
63°F |
8 to 14 mph
WSW
|
|
Wednesday
Jul 22
|
Sunny
|
88°F |
7 to 14 mph
WSW
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
62°F |
9 to 14 mph
WSW
|
|
Thursday
Jul 23
|
Sunny
|
87°F |
8 to 14 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Vacaville.