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

77°F

25°C

Humidity 85%
Wind Speed SE 7 mph
Barometer 30.03 in (1015.1 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Oct 9:51 am CDT
Extended Forecast for

San Antonio TX

  • Columbus Day

    Columbus Day: A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 93. Heat index values as high as 102. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 93 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Increasing clouds, with a low around 77. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 95. Heat index values as high as 104. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 73. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 73 °F

    Partly Cloudy

  • Thursday

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

    High: 90 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69. East wind 5 to 10 mph increasing to 15 to 20 mph after midnight.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 81. North northeast wind around 20 mph, with gusts as high as 35 mph.

    High: 81 °F

    Mostly Sunny

Detailed Forecast

Columbus Day
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 93. Heat index values as high as 102. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Increasing clouds, with a low around 77. 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 104. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Partly cloudy, with a low around 73. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Mostly sunny, with a high near 90. Southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 69. East wind 5 to 10 mph increasing to 15 to 20 mph after midnight.
Friday
Mostly sunny, with a high near 81. North northeast wind around 20 mph, with gusts as high as 35 mph.
Friday Night
Mostly cloudy, with a low around 61.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 78.
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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 12, 2026
Forecast Valid:
11am CDT Oct 12, 2026-6pm CDT Oct 18, 2026
 
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Additional Resources

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