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

85°F

29°C

Humidity 70%
Wind Speed S 13 mph
Barometer 30.01 in (1014.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 14 Oct 10:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 101. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 71 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 90. East southeast wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 66. East wind 5 to 10 mph becoming light and variable.

    Low: 66 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 77. North wind around 20 mph, with gusts as high as 35 mph.

    High: 77 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. North wind around 20 mph, with gusts as high as 40 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 73. North northeast wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 73 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 55. North northeast wind 5 to 10 mph.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 77. North northeast wind 5 to 10 mph becoming east in the afternoon.

    High: 77 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 101. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 71. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a high near 90. East southeast wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 66. East wind 5 to 10 mph becoming light and variable.
Friday
Mostly sunny, with a high near 77. North wind around 20 mph, with gusts as high as 35 mph.
Friday Night
Partly cloudy, with a low around 56. North wind around 20 mph, with gusts as high as 40 mph.
Saturday
Mostly sunny, with a high near 73. North northeast wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly clear, with a low around 55. North northeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 77. North northeast wind 5 to 10 mph becoming east in the afternoon.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 82.
Monday Night
Mostly cloudy, with a low around 66.
Tuesday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.
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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:
11:32 am CDT Oct 14, 2026
Forecast Valid:
11am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation