Vacaville, CA Weather Forecast

Local 7-day forecast

57°
F

Clear

Track current conditions, temperature changes, wind, and the full daily outlook for Vacaville, CA in one place.

Friday, July 17, 2026
Wind: 9 mph SW
Overnight

Clear. Low around 57, with temperatures rising to around 59 overnight. Southwest wind around 9 mph.

Local 7-day forecast

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
Next High
85°F
Friday
Next Low
57°F
Overnight
Rain Outlook
0
Periods mentioning precipitation
Windiest
8 to 14 mph
Friday

Daily Outlook

Today
Jul 17
Sunny
85 °F
/ 57°F
Wind 8 to 14 mph
Sat
Jul 18
Sunny
86 °F
/ 58°F
Wind 7 to 12 mph
Sun
Jul 19
Mostly Sunny
86 °F
/ 62°F
Wind 6 to 13 mph
Mon
Jul 20
Partly Sunny
84 °F
/ 63°F
Wind 8 to 13 mph
Tue
Jul 21
Sunny
87 °F
/ 63°F
Wind 7 to 14 mph
Wed
Jul 22
Sunny
88 °F
/ 62°F
Wind 7 to 14 mph
Thu
Jul 23
Sunny
87 °F
Wind 8 to 14 mph

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 source

Extended Forecast

Friday
Jul 17
85°F
Sunny
8 to 14 mph SW

Sunny, with a high near 85. Southwest wind 8 to 14 mph, with gusts as high as 23 mph.

Friday Night
Jul 17
57°F
Clear
8 to 13 mph SW

Clear, with a low around 57. Southwest wind 8 to 13 mph, with gusts as high as 22 mph.

Saturday
Jul 18
86°F
Sunny
7 to 12 mph SW

Sunny, with a high near 86. Southwest wind 7 to 12 mph, with gusts as high as 21 mph.

Saturday Night
Jul 18
58°F
Mostly Clear
8 to 12 mph WSW

Mostly clear, with a low around 58. West southwest wind 8 to 12 mph, with gusts as high as 21 mph.

Sunday
Jul 19
86°F
Mostly Sunny
6 to 13 mph WSW

Mostly sunny, with a high near 86.

Sunday Night
Jul 19
62°F
Mostly Cloudy
9 to 13 mph SW

Mostly cloudy, with a low around 62.

Monday
Jul 20
84°F
Partly Sunny
8 to 13 mph SW

Partly sunny, with a high near 84.

Monday Night
Jul 20
63°F
Partly Cloudy
8 to 13 mph WSW

Partly cloudy, with a low around 63.

Tuesday
Jul 21
87°F
Sunny
7 to 14 mph WSW

Sunny, with a high near 87.

Tuesday Night
Jul 21
63°F
Mostly Clear
8 to 14 mph WSW

Mostly clear, with a low around 63.

Wednesday
Jul 22
88°F
Sunny
7 to 14 mph WSW

Sunny, with a high near 88.

Wednesday Night
Jul 22
62°F
Mostly Clear
9 to 14 mph WSW

Mostly clear, with a low around 62.

Thursday
Jul 23
87°F
Sunny
8 to 14 mph SW

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
Aerial view of Vacaville  California
Aerial view of Vacaville California image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.