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.

Overcast

78°F

26°C

Humidity 87%
Wind Speed SE 12 mph
Barometer 30.11 in (1017.7 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 17 Jul 7:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: Partly sunny, with a high near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 90 °F

    Partly Sunny

  • Tonight

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

    Low: 76 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 91. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph.

    High: 93 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 73. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the morning.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 73. Southeast wind 5 to 10 mph.

    Low: 73 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 94 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 90. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 76. Southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 91. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny, with a high near 93. South southeast wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 73. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the morning.
Monday Night
Clear, with a low around 73. Southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 94. Calm wind becoming south southeast around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 76.
Thursday
Sunny, with a high near 95.
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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:
6:42 am CDT Jul 17, 2026
Forecast Valid:
8am CDT Jul 17, 2026-6pm CDT Jul 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation