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

88°F

31°C

Humidity 55%
Wind Speed Vrbl 7 mph
Barometer 30.09 in (1017.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 25 Sep 11:51 am CDT
Extended Forecast for

San Antonio TXSimilar City Names

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 95. East wind around 5 mph.

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. East wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Saturday

    Saturday: Cloudy, then becoming mostly sunny during the afternoon, with a high near 94. Calm wind becoming south southeast around 5 mph.

    High: 94 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 75. East southeast wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 96. Calm wind becoming south around 5 mph.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 77. Southeast wind around 5 mph.

    Low: 77 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 96. South southeast wind around 5 mph.

    High: 96 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 95. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 95. East wind around 5 mph.
Tonight
Partly cloudy, with a low around 75. East wind around 5 mph.
Saturday
Cloudy, then becoming mostly sunny during the afternoon, with a high near 94. Calm wind becoming south southeast around 5 mph.
Saturday Night
Partly cloudy, with a low around 75. East southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 96. Calm wind becoming south around 5 mph.
Sunday Night
Partly cloudy, with a low around 77. Southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 96. South southeast wind around 5 mph.
Monday Night
Partly cloudy, with a low around 77. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 95. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 76.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 91.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TXSimilar City Names
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
11:32 am CDT Sep 25, 2026
Forecast Valid:
12pm CDT Sep 25, 2026-6pm CDT Oct 1, 2026
 
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