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.

A Few Clouds

76°F

24°C

Humidity 72%
Wind Speed NE 14 G 24 mph
Barometer 30.14 in (1019.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 5 Oct 9:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: Mostly sunny, with a high near 86. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 69. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Northeast wind 5 to 10 mph.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 69. North northeast wind around 5 mph.

    Low: 69 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 88. East northeast wind 5 to 10 mph.

    High: 88 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. North northeast wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 88. East northeast wind 5 to 10 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 70 °F

    Slight Chance
    T-storms

  • Friday

    Friday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 86. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 69. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 86. Northeast wind 5 to 10 mph.
Tuesday Night
Clear, with a low around 69. North northeast wind around 5 mph.
Wednesday
Sunny, with a high near 88. East northeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 70. North northeast wind around 5 mph.
Thursday
Mostly sunny, with a high near 88. East northeast wind 5 to 10 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 70. North northeast wind 5 to 10 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 86. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 67.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Mostly sunny, with a high near 88.
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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 Oct 5, 2026
Forecast Valid:
10am CDT Oct 5, 2026-6pm CDT Oct 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation