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

86°F

30°C

Humidity 59%
Wind Speed SE 12 mph
Barometer 29.73 in (1004.7 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index91°F (33°C)
Last update 26 Apr 5:51 pm CDT
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 74. Southeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 93. Heat index values as high as 102. South southeast wind around 5 mph.

    High: 93 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Increasing clouds, with a low around 74. Southeast wind 5 to 10 mph.

    Low: 74 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 96. Heat index values as high as 104. South wind 5 to 10 mph.

    High: 96 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 72. South southeast wind 5 to 10 mph.

    Low: 72 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. East wind 5 to 10 mph.

    High: 95 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 70 °F

    Slight Chance
    T-storms

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East wind around 10 mph, with gusts as high as 20 mph.

    High: 86 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 74. Southeast wind 5 to 10 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 93. Heat index values as high as 102. South southeast wind around 5 mph.
Monday Night
Increasing clouds, with a low around 74. Southeast wind 5 to 10 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 96. Heat index values as high as 104. South wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 72. South southeast wind 5 to 10 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. East wind 5 to 10 mph.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70. East northeast wind around 10 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86. East wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. East wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Saturday Night
A 20 percent chance of showers. Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 77.
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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:
5:32 pm CDT Apr 26, 2026
Forecast Valid:
6pm CDT Apr 26, 2026-6pm CDT May 3, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation