California · NWS STO office

Suisun City, CA weather

It is 44°F and mostly clear at Fairfield / Travis Air Force Base as of Oct 28, 1:55 AM PDT. Overnight: Mostly Clear, low near 47°F. Forecast from the National Weather Service, issued Oct 28, 2:01 AM PDT.

Updated Oct 28, 2:25 AM PDT (snapshot)

Current conditions

Temperature

44°F

Mostly Clear · feels like 43°F

Wind

N 3 mph

Humidity 90% · dew point 41°F

Pressure · visibility

29.99 inHg

Visibility 10 mi

Observed at Fairfield / Travis Air Force Base (KSUU), Oct 28, 1:55 AM PDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the Suisun City forecast zone right now.

Around the NWS STO forecast area

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

From the alert snapshot of Oct 28, 2026, 5:12 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 Suisun City (local time)
TimeTempForecastPrecip. chanceWind
Wed 4 AM49°FMostly Clear0%NW 1 mph
Wed 5 AM48°FMostly Clear0%WNW 1 mph
Wed 6 AM48°FSunny0%NNW 1 mph
Wed 7 AM47°FSunny0%NW 1 mph
Wed 8 AM47°FSunny0%W 1 mph
Wed 9 AM51°FSunny0%W 2 mph
Wed 10 AM58°FSunny0%N 3 mph
Wed 11 AM62°FSunny0%N 5 mph
Wed 12 PM65°FSunny0%N 3 mph
Wed 1 PM68°FSunny0%N 3 mph
Wed 2 PM70°FMostly Sunny0%NNW 3 mph
Wed 3 PM70°FMostly Sunny0%W 3 mph
Wed 4 PM71°FMostly Sunny0%W 3 mph
Wed 5 PM70°FMostly Sunny0%WSW 3 mph
Wed 6 PM67°FPartly Cloudy0%WSW 3 mph
Wed 7 PM63°FPartly Cloudy0%WSW 3 mph
Wed 8 PM58°FMostly Clear0%WSW 3 mph
Wed 9 PM55°FMostly Clear0%WSW 2 mph
Wed 10 PM54°FPartly Cloudy0%WSW 2 mph
Wed 11 PM53°FPartly Cloudy0%SW 1 mph
Thu 12 AM54°FPartly Cloudy0% 0 mph
Thu 1 AM53°FMostly Cloudy0% 0 mph
Thu 2 AM52°FMostly Cloudy0% 0 mph
Thu 3 AM51°FMostly Cloudy0% 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 Suisun City can differ.

7-day forecast

Overnight

Low 47°F

Mostly clear, with a low around 47. North northwest wind around 1 mph.

Wednesday

High 71°F·Low 48°F

Sunny, with a high near 71. Northwest wind 1 to 5 mph.

Wednesday Night: Partly cloudy, with a low around 48. West wind 0 to 3 mph.

Thursday

High 68°F·Low 49°F

Mostly cloudy, with a high near 68. East wind 0 to 3 mph.

Thursday Night: Mostly cloudy, with a low around 49. Southwest wind around 3 mph.

Friday

High 68°F·Low 46°F

Mostly sunny, with a high near 68.

Friday Night: Partly cloudy, with a low around 46.

Saturday

High 64°F·Low 45°F

Mostly cloudy, with a high near 64.

Saturday Night: Partly cloudy, with a low around 45.

Sunday

High 68°F·Low 48°F

Sunny, with a high near 68.

Sunday Night: Mostly clear, with a low around 48.

Monday

High 69°F·Low 49°F

Mostly sunny, with a high near 69.

Monday Night: Partly cloudy, with a low around 49.

Tuesday

High 68°F

A chance of rain after 10am. Mostly sunny, with a high near 68.

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
Suisun City is served by the National Weather Service STO forecast office, forecast zone CAZ155, county zone CAC095.
Location used
The Census Bureau's internal point for Suisun City (38.2483, -122.0101), in Solano County. Population: 29,614 (2024 estimate), number 247 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/38.2483,-122.0101 (forecast issued Oct 28, 2:01 AM 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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