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

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Thunderstorm Heavy Rain Fog/Mist

72°F

22°C

Humidity 97%
Wind Speed N 6 mph
Barometer 29.84 in (1008.6 mb)
Dewpoint 71°F (22°C)
Visibility 3.00 mi
Last update 1 Oct 1:51 pm CDT
Extended Forecast for

San Antonio TX

Flood Watch October 1, 02:29pm until October 2, 07:00pm
Flood Advisory until October 1, 03:00pm
Flash Flood Warning until October 1, 07:00pm
Click here for hazard details and duration
Flood Watch
Flood Advisory
Flash Flood Warning
  •  
    Flood Watch October 1, 02:29pm until October 2, 07:00pm
    Flood Advisory until October 1, 03:00pm
    Flash Flood Warning until October 1, 07:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 87 °F

    T-storms

  • Tonight

    Tonight: Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 73. East wind around 5 mph becoming south after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 73 °F

    Heavy Rain

  • Friday

    Friday: Showers and thunderstorms, mainly before 1pm. High near 81. Northeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 81 °F

    T-storms

  • Friday Night

    Friday Night: Showers and thunderstorms. Low around 72. North northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 72 °F

    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 80. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 80 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Chance
    T-storms

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 70. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 70 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. High near 87. South wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Tonight
Showers and thunderstorms. Some of the storms could produce heavy rainfall. Low around 73. East wind around 5 mph becoming south after midnight. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday
Showers and thunderstorms, mainly before 1pm. High near 81. Northeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and thunderstorms. Low around 72. North northeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 80. North northeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. North wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 81. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Sunday Night
Mostly cloudy, with a low around 70. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
Partly sunny, with a high near 82. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 84.
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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:
1:24 pm CDT Oct 1, 2026
Forecast Valid:
2pm CDT Oct 1, 2026-6pm CDT Oct 7, 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