National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Heavy Rain

64°F

18°C

Humidity 93%
Wind Speed N 15 G 24 mph
Barometer 30.07 in (1016.8 mb)
Dewpoint 62°F (17°C)
Visibility 0.75 mi
Last update 4 Apr 12:51 pm CDT
Extended Forecast for

San Antonio TX

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 78. West southwest wind 5 to 15 mph becoming north northeast. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 78 °F

    Showers

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 55. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers. Mostly cloudy, with a high near 65. North northeast wind around 15 mph, with gusts as high as 30 mph.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly before 1am. Cloudy, with a low around 56. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Chance
    Showers

  • Monday

    Monday: Mostly cloudy, with a high near 69. Northeast wind 5 to 10 mph.

    High: 69 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 53. East northeast wind around 5 mph.

    Low: 53 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 69. East wind around 5 mph.

    High: 69 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. East wind around 5 mph.

    Low: 54 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 78. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 78 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. High near 78. West southwest wind 5 to 15 mph becoming north northeast. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Mostly cloudy, with a low around 55. North northeast wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 65. North northeast wind around 15 mph, with gusts as high as 30 mph.
Sunday Night
A 30 percent chance of showers, mainly before 1am. Cloudy, with a low around 56. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly cloudy, with a high near 69. Northeast wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 53. East northeast wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 69. East wind around 5 mph.
Tuesday Night
Mostly cloudy, with a low around 54. East wind around 5 mph.
Wednesday
Partly sunny, with a high near 78. Northeast wind around 5 mph becoming southeast in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 61.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
12:44 pm CDT Apr 4, 2026
Forecast Valid:
12pm CDT Apr 4, 2026-6pm CDT Apr 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation