Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

81°F

27°C

Humidity 74%
Wind Speed S 6 mph
Barometer 30.05 in (1015.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 26 Sep 9:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: Mostly cloudy, with a high near 93. East wind around 5 mph.

    High: 93 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 74. East wind around 5 mph becoming calm  after midnight.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming south around 5 mph.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. East southeast wind around 5 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 96 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 76. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 95. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 77. Southeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 77 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 93. South wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 50%.

    High: 93 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy, with a high near 93. East wind around 5 mph.
Tonight
Partly cloudy, with a low around 74. East wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 96. Heat index values as high as 100. Calm wind becoming south around 5 mph.
Sunday Night
Partly cloudy, with a low around 76. East southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 96. Calm wind becoming southeast around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 76. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 95. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 77. Southeast wind around 15 mph, with gusts as high as 30 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 93. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 75.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 89.
Thursday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.
Friday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
6:42 am CDT Sep 26, 2026
10am CDT Sep 26, 2026-6pm CDT Oct 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database