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

85°F

29°C

Humidity 33%
Wind Speed SE 12 G 23 mph
Barometer 29.98 in (1013.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 11 Oct 6:51 pm CDT
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: Increasing clouds, with a low around 74. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 93. Heat index values as high as 101. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 93 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Increasing clouds, with a low around 78. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 95. Heat index values as high as 105. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 78. Southeast wind around 10 mph, with gusts as high as 25 mph.

    Low: 78 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. Southeast wind around 10 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 91. Southeast wind 5 to 10 mph.

    High: 91 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers. Mostly clear, with a low around 71. East southeast wind 5 to 10 mph becoming north northeast 10 to 15 mph after midnight. Winds could gust as high as 20 mph.

    Low: 71 °F

    Slight Chance
    Showers

Detailed Forecast

Tonight
Increasing clouds, with a low around 74. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Columbus Day
A slight chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 93. Heat index values as high as 101. East wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Increasing clouds, with a low around 78. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 95. Heat index values as high as 105. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 78. Southeast wind around 10 mph, with gusts as high as 25 mph.
Wednesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 94. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 75. Southeast wind around 10 mph, with gusts as high as 25 mph.
Thursday
A 30 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 91. Southeast wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 71. East southeast wind 5 to 10 mph becoming north northeast 10 to 15 mph after midnight. Winds could gust as high as 20 mph.
Friday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 59.
Sunday
Sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.53°W (Elev. 699 ft)
Last Update:
6:44 pm CDT Oct 11, 2026
Forecast Valid:
7pm CDT Oct 11, 2026-6pm CDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation