Texas · NWS EWX office

San Antonio, TX weather

It is 73°F and partly cloudy at San Antonio - Kelly Field as of Oct 28, 12:40 AM CDT. Overnight: Partly Cloudy, low near 66°F, 4% chance of precipitation. Forecast from the National Weather Service, issued Oct 28, 12:42 AM CDT.

Updated Oct 28, 1:15 AM CDT (snapshot)

Current conditions

Temperature

73°F

Partly Cloudy · feels like 74°F

Wind

ESE 9 mph

Humidity 78% · dew point 66°F

Pressure · visibility

30.09 inHg

Visibility 10 mi

Observed at San Antonio - Kelly Field (KSKF), Oct 28, 12:40 AM CDT. Station readings can lag or be missing.

Alerts for this area

No active NWS alerts cover the San Antonio forecast zone right now.

Around the NWS EWX forecast area

No active alerts in zones served by the EWX office near San Antonio.

From the alert snapshot of Oct 28, 2026, 2:15 AM EDT. Texas has 2 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 San Antonio (local time)
TimeTempForecastPrecip. chanceWind
Wed 1 AM70°FPartly Cloudy3% 0 mph
Wed 2 AM69°FPartly Cloudy3%ESE 5 mph
Wed 3 AM69°FPartly Cloudy3%E 5 mph
Wed 4 AM68°FPartly Cloudy4%E 5 mph
Wed 5 AM68°FPartly Cloudy4%E 5 mph
Wed 6 AM68°FPartly Sunny4%E 5 mph
Wed 7 AM68°FMostly Cloudy7%ENE 5 mph
Wed 8 AM67°FCloudy7%E 5 mph
Wed 9 AM68°FCloudy7%E 5 mph
Wed 10 AM73°FMostly Cloudy10%E 5 mph
Wed 11 AM76°FMostly Cloudy10%E 5 mph
Wed 12 PM78°FPartly Sunny10%ESE 5 mph
Wed 1 PM82°FPartly Sunny13%ESE 5 mph
Wed 2 PM83°FMostly Sunny13%ESE 5 mph
Wed 3 PM83°FMostly Sunny13%SE 5 mph
Wed 4 PM85°FMostly Sunny10%ESE 5 mph
Wed 5 PM83°FMostly Sunny10%ESE 5 mph
Wed 6 PM83°FPartly Cloudy10%ESE 5 mph
Wed 7 PM80°FPartly Cloudy7%ESE 5 mph
Wed 8 PM77°FPartly Cloudy7%ESE 5 mph
Wed 9 PM76°FMostly Cloudy7%ESE 5 mph
Wed 10 PM75°FMostly Cloudy6%ESE 5 mph
Wed 11 PM74°FMostly Cloudy6%ESE 5 mph
Thu 12 AM73°FCloudy6%SE 5 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 San Antonio can differ.

7-day forecast

Overnight

Low 66°F

Partly cloudy, with a low around 66. East southeast wind 0 to 5 mph.

Wednesday

High 85°F·Low 69°F

Partly sunny, with a high near 85. East wind around 5 mph.

Wednesday Night: Mostly cloudy, with a low around 69. East southeast wind around 5 mph.

Thursday

High 80°F·Low 66°F

Showers and thunderstorms likely after 7am. Mostly cloudy, with a high near 80. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.

Thursday Night: Showers and thunderstorms likely. Cloudy, with a low around 66. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.

Friday

High 79°F·Low 66°F

A chance of rain showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm. Mostly cloudy, with a high near 79. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Friday Night: Mostly cloudy, with a low around 66. East southeast wind 0 to 5 mph.

Saturday

High 84°F·Low 67°F

Partly sunny, with a high near 84. East southeast wind 0 to 5 mph.

Saturday Night: Partly cloudy, with a low around 67. East wind 0 to 5 mph.

Sunday

High 85°F·Low 69°F

Partly sunny, with a high near 85.

Sunday Night: Mostly cloudy, with a low around 69.

Monday

High 85°F·Low 65°F

Partly sunny, with a high near 85.

Monday Night: A chance of rain showers after midnight. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

Tuesday

High 80°F

A chance of rain showers before noon. Mostly sunny, with a high near 80.

Nearby cities

Other cities in Bexar County

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

About this forecast

Forecast office
San Antonio is served by the National Weather Service EWX forecast office, forecast zone TXZ205, county zone TXC029.
Location used
The Census Bureau's internal point for San Antonio (29.4628, -98.5246), in Bexar County. Population: 1,526,656 (2024 estimate), number 2 of the 154 Texas cities on this site.
Radar
Nearest NWS radar: KEWX. 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/29.4628,-98.5246 (forecast issued Oct 28, 12:42 AM CDT).
  • 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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