Vallejo, CA Weather Forecast

Local 7-day forecast

55°
F

Mostly Clear

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

Friday, July 17, 2026
Wind: 12 mph SSW
Overnight

Mostly clear, with a low around 55. South southwest wind around 12 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Vallejo, 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 4:07 AM PDT.

The active forecast window currently covers Jul 17 to Jul 23, 2026 for Vallejo, CA.

Page Snapshot

Page focus
city weather
Forecast window
Jul 17 to Jul 23, 2026
Latest sync
Jul 17, 2026 4:07 AM PDT
Forecast office
STO
Source
NOAA / NWS
Next High
65°F
Friday
Next Low
55°F
Overnight
Rain Outlook
0
Periods mentioning precipitation
Windiest
10 to 15 mph
Wednesday

Daily Outlook

Today
Jul 17
Sunny
65 °F
/ 55°F
Wind 9 to 14 mph
Sat
Jul 18
Mostly Sunny
65 °F
/ 55°F
Wind 9 to 13 mph
Sun
Jul 19
Mostly Cloudy
64 °F
/ 56°F
Wind 8 to 13 mph
Mon
Jul 20
Mostly Cloudy
65 °F
/ 58°F
Wind 9 to 13 mph
Tue
Jul 21
Mostly Sunny
67 °F
/ 58°F
Wind 9 to 14 mph
Wed
Jul 22
Mostly Sunny
67 °F
/ 57°F
Wind 10 to 15 mph
Thu
Jul 23
Mostly Sunny
66 °F
Wind 10 to 14 mph

This Week in Vallejo

Tuesday looks like the warmest upcoming period in Vallejo at 67 degrees F.

Overnight is the coolest period ahead with temperatures near 55 degrees F.

The strongest winds are forecast for Wednesday at about 10 to 15 mph SW.

The forecast from Jul 17 through Jul 23 stays mostly dry.

Forecast Details

Last updated
Jul 17, 2026 4:07 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
65°F
Sunny
9 to 14 mph SSW

Sunny, with a high near 65. South southwest wind 9 to 14 mph, with gusts as high as 20 mph.

Friday Night
Jul 17
55°F
Mostly Clear
14 mph SW

Mostly clear, with a low around 55. Southwest wind around 14 mph, with gusts as high as 20 mph.

Saturday
Jul 18
65°F
Mostly Sunny
9 to 13 mph SW

Mostly sunny, with a high near 65. Southwest wind 9 to 13 mph, with gusts as high as 18 mph.

Saturday Night
Jul 18
55°F
Partly Cloudy
13 mph SW

Partly cloudy, with a low around 55. Southwest wind around 13 mph, with gusts as high as 18 mph.

Sunday
Jul 19
64°F
Mostly Cloudy
8 to 13 mph SW

Mostly cloudy, with a high near 64.

Sunday Night
Jul 19
56°F
Mostly Cloudy
14 mph SW

Mostly cloudy, with a low around 56.

Monday
Jul 20
65°F
Mostly Cloudy
9 to 13 mph SW

Mostly cloudy, with a high near 65.

Monday Night
Jul 20
58°F
Mostly Cloudy
13 mph SW

Mostly cloudy, with a low around 58.

Tuesday
Jul 21
67°F
Mostly Sunny
9 to 14 mph SW

Mostly sunny, with a high near 67.

Tuesday Night
Jul 21
58°F
Partly Cloudy
14 mph SW

Partly cloudy, with a low around 58.

Wednesday
Jul 22
67°F
Mostly Sunny
10 to 15 mph SW

Mostly sunny, with a high near 67.

Wednesday Night
Jul 22
57°F
Partly Cloudy
15 mph SW

Partly cloudy, with a low around 57.

Thursday
Jul 23
66°F
Mostly Sunny
10 to 14 mph SW

Mostly sunny, with a high near 66.

Detailed Forecast

Period Conditions Temp Wind
Overnight
Jul 17
Mostly Clear
55°F
12 mph
SSW
Friday
Jul 17
Sunny
65°F
9 to 14 mph
SSW
Friday Night
Jul 17
Mostly Clear
55°F
14 mph
SW
Saturday
Jul 18
Mostly Sunny
65°F
9 to 13 mph
SW
Saturday Night
Jul 18
Partly Cloudy
55°F
13 mph
SW
Sunday
Jul 19
Mostly Cloudy
64°F
8 to 13 mph
SW
Sunday Night
Jul 19
Mostly Cloudy
56°F
14 mph
SW
Monday
Jul 20
Mostly Cloudy
65°F
9 to 13 mph
SW
Monday Night
Jul 20
Mostly Cloudy
58°F
13 mph
SW
Tuesday
Jul 21
Mostly Sunny
67°F
9 to 14 mph
SW
Tuesday Night
Jul 21
Partly Cloudy
58°F
14 mph
SW
Wednesday
Jul 22
Mostly Sunny
67°F
10 to 15 mph
SW
Wednesday Night
Jul 22
Partly Cloudy
57°F
15 mph
SW
Thursday
Jul 23
Mostly Sunny
66°F
10 to 14 mph
SW
USA-Vallejo-City Hall and County Building-1
USA-Vallejo-City Hall and County Building-1 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.