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.

Mostly Cloudy

84°F

29°C

Humidity 51%
Wind Speed SE 15 G 24 mph
Barometer 29.80 in (1007.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 6 Mar 3:51 pm CST
Extended Forecast for

San Antonio International Airport TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. South wind around 15 mph, with gusts as high as 20 mph.

    High: 83 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 69. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 83. South southeast wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 57. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 57 °F

    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 69. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 69 °F

    Showers
    Likely then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms. Cloudy, with a high near 81. Light east southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.

    High: 81 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after midnight. Cloudy, with a low around 68. Southeast wind around 10 mph. Chance of precipitation is 40%.

    Low: 68 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. South wind around 15 mph, with gusts as high as 20 mph.
Tonight
A 20 percent chance of showers and thunderstorms after midnight. Increasing clouds, with a low around 69. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3pm. High near 83. South southeast wind 5 to 10 mph becoming northeast in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers and possibly a thunderstorm. Low around 57. North northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Sunday
Showers likely and possibly a thunderstorm before noon, then a chance of showers and thunderstorms after noon. Cloudy, with a high near 69. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 62. Northeast wind around 5 mph becoming calm in the evening.
Monday
A chance of showers and thunderstorms. Cloudy, with a high near 81. Light east southeast wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 40%.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after midnight. Cloudy, with a low around 68. Southeast wind around 10 mph. Chance of precipitation is 40%.
Tuesday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 83. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 64. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers. Mostly sunny, with a high near 80.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 55.
Thursday
Sunny, with a high near 72.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.45°W (Elev. 771 ft)
Last Update:
1:44 pm CST Mar 6, 2026
Forecast Valid:
3pm CST Mar 6, 2026-6pm CDT Mar 12, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation