California · NWS STO office

Vallejo, CA weather

It is 55°F and clear at Fairfield / Travis Air Force Base as of Oct 27, 8:55 PM PDT. Tonight: Mostly Clear then Haze, low near 49°F. Forecast from the National Weather Service, issued Oct 27, 9:01 PM PDT.

Updated Oct 27, 11:17 PM PDT (snapshot)

Current conditions

Temperature

55°F

Clear

Wind

SSW 9 mph

Humidity 74% · dew point 47°F

Pressure · visibility

29.97 inHg

Visibility 10 mi

Observed at Fairfield / Travis Air Force Base (KSUU), Oct 27, 8:55 PM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Vallejo forecast zone right now.

Around the NWS STO forecast area

No active alerts in zones served by the STO office near Vallejo.

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. California has 8 active alerts: see them all.

For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.

Next 24 hours

Hourly forecast for Vallejo (local time)
TimeTempForecastPrecip. chanceWind
Tue 11 PM56°FMostly Clear0%WNW 1 mph
Wed 12 AM55°FClear0%WNW 1 mph
Wed 1 AM54°FClear0% 0 mph
Wed 2 AM53°FHaze0% 0 mph
Wed 3 AM52°FHaze0% 0 mph
Wed 4 AM51°FHaze0%WNW 1 mph
Wed 5 AM51°FHaze0%W 1 mph
Wed 6 AM50°FPatchy Fog0%WNW 1 mph
Wed 7 AM49°FPatchy Fog0%NNW 1 mph
Wed 8 AM49°FMostly Sunny0%NNW 2 mph
Wed 9 AM51°FPatchy Fog0%NNW 1 mph
Wed 10 AM54°FSunny0%WNW 1 mph
Wed 11 AM57°FMostly Sunny0%WNW 2 mph
Wed 12 PM59°FMostly Sunny0%W 3 mph
Wed 1 PM60°FSunny0%WSW 3 mph
Wed 2 PM61°FMostly Sunny0%WSW 5 mph
Wed 3 PM62°FMostly Sunny0%SW 5 mph
Wed 4 PM63°FMostly Sunny0%SW 5 mph
Wed 5 PM63°FMostly Sunny0%SW 6 mph
Wed 6 PM61°FPartly Cloudy0%WSW 5 mph
Wed 7 PM61°FPartly Cloudy0%W 3 mph
Wed 8 PM60°FMostly Clear0%WSW 2 mph
Wed 9 PM58°FPartly Cloudy0%WSW 1 mph
Wed 10 PM57°FMostly Clear0% 0 mph

Hourly values come from the NWS gridded forecast for the 2.5 km grid square that covers the city's center point. Conditions elsewhere in Vallejo can differ.

7-day forecast

Tonight

Low 49°F

Haze and areas of fog after 2am. Mostly clear. Low around 49, with temperatures rising to around 51 overnight. West northwest wind around 1 mph.

Wednesday

High 63°F·Low 52°F

Patchy fog before 10am. Mostly sunny, with a high near 63. West northwest wind 1 to 6 mph.

Wednesday Night: Patchy fog between 3am and 5am. Mostly cloudy, with a low around 52. West northwest wind 0 to 5 mph.

Thursday

High 62°F·Low 52°F

Mostly cloudy, with a high near 62. East southeast wind around 2 mph.

Thursday Night: Mostly cloudy, with a low around 52. West southwest wind around 3 mph.

Friday

High 61°F·Low 50°F

Mostly sunny, with a high near 61.

Friday Night: Partly cloudy, with a low around 50.

Saturday

High 59°F·Low 48°F

Mostly cloudy, with a high near 59.

Saturday Night: Partly cloudy, with a low around 48.

Sunday

High 62°F·Low 51°F

Sunny, with a high near 62.

Sunday Night: Mostly clear, with a low around 51.

Monday

High 62°F·Low 52°F

Mostly sunny, with a high near 62.

Monday Night: Mostly cloudy, with a low around 52.

Tuesday

High 62°F

A chance of rain after 10am. Partly sunny, with a high near 62.

Nearby cities

Larger cities in the area

Other cities in Solano County

See every city we cover in California, or check all active alerts.

About this forecast

Forecast office
Vallejo is served by the National Weather Service STO forecast office, forecast zone CAZ156, county zone CAC095.
Location used
The Census Bureau's internal point for Vallejo (38.1069, -122.2623), in Solano County. Population: 123,475 (2024 estimate), number 51 of the 296 California cities on this site.
Radar
Nearest NWS radar: KDAX. View it on radar.weather.gov.

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Sources

  • Forecast, hourly forecast, observations and alerts: National Weather Service API, api.weather.gov/points/38.1069,-122.2623 (forecast issued Oct 27, 9:01 PM PDT).
  • Official forecast page: forecast.weather.gov.
  • City location and population: U.S. Census Bureau, Vintage 2024 population estimates and 2024 Gazetteer files.
  • Snapshot taken Oct 28, 2026. The NWS and Census Bureau do not endorse OpenForecast.

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