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 61, with temperatures rising to around 64 overnight. Wind around 0 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: Oct 17, 2026 6:42 AM PDT.
The active forecast window currently covers Oct 17 to Oct 23, 2026 for Vacaville, CA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 17 to Oct 23, 2026
- Latest sync
- Oct 17, 2026 6:42 AM PDT
- Forecast office
- STO
- Source
- NOAA / NWS
Daily Outlook
This Week in Vacaville
Saturday looks like the warmest upcoming period in Vacaville at 89 degrees F.
Thursday Night is the coolest period ahead with temperatures near 52 degrees F.
The strongest winds are forecast for Sunday Night at about 13 to 17 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 17, 2026 6:42 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 89. North northwest wind 0 to 8 mph.
Clear. Low around 57, with temperatures rising to around 59 overnight. West southwest wind around 3 mph.
Sunny, with a high near 78. Southwest wind 2 to 13 mph, with gusts as high as 22 mph.
Mostly clear, with a low around 53. Southwest wind 13 to 17 mph, with gusts as high as 29 mph.
Mostly sunny, with a high near 68.
A slight chance of rain after 5am. Mostly cloudy, with a low around 53.
A slight chance of rain before 11am. Partly sunny, with a high near 67.
A slight chance of rain after 5am. Partly cloudy, with a low around 55.
A slight chance of rain before 11am. Mostly sunny, with a high near 72.
Partly cloudy, with a low around 55.
Mostly sunny, with a high near 69.
Mostly clear, with a low around 52.
Sunny, with a high near 71.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Oct 17
|
Clear
|
61°F |
0 mph
|
|
Saturday
Oct 17
|
Sunny
|
89°F |
0 to 8 mph
NNW
|
|
Saturday Night
Oct 17
|
Clear
|
57°F |
3 mph
WSW
|
|
Sunday
Oct 18
|
Sunny
|
78°F |
2 to 13 mph
SW
|
|
Sunday Night
Oct 18
|
Mostly Clear
|
53°F |
13 to 17 mph
SW
|
|
Monday
Oct 19
|
Mostly Sunny
|
68°F |
12 to 17 mph
SW
|
|
Monday Night
Oct 19
|
Mostly Cloudy then Slight Chance Light Rain
|
53°F |
0 to 12 mph
SW
|
|
Tuesday
Oct 20
|
Slight Chance Light Rain then Partly Sunny
|
67°F |
0 to 7 mph
NNE
|
|
Tuesday Night
Oct 20
|
Partly Cloudy then Slight Chance Light Rain
|
55°F |
0 to 3 mph
N
|
|
Wednesday
Oct 21
|
Slight Chance Light Rain then Mostly Sunny
|
72°F |
2 to 7 mph
W
|
|
Wednesday Night
Oct 21
|
Partly Cloudy
|
55°F |
0 to 7 mph
SSW
|
|
Thursday
Oct 22
|
Mostly Sunny
|
69°F |
0 to 8 mph
SSW
|
|
Thursday Night
Oct 22
|
Mostly Clear
|
52°F |
0 to 8 mph
SW
|
|
Friday
Oct 23
|
Sunny
|
71°F |
1 to 7 mph
NW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Vacaville.
