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.

Mostly Cloudy

82°F

28°C

Humidity 63%
Wind Speed NE 9 mph
Barometer 29.99 in (1013.8 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 30 May 6:51 pm CDT
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 72. Northeast wind 5 to 10 mph.

    Low: 72 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 89. Northeast wind around 5 mph.

    High: 89 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. East southeast wind around 5 mph becoming south southwest after midnight.

    Low: 74 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Isolated showers and thunderstorms after 1pm. Sunny, with a high near 95. Heat index values as high as 102. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 95 °F

    Sunny then
    Isolated
    T-storms

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Monday

    Monday: Isolated showers after 1pm. Sunny, with a high near 96. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 96 °F

    Sunny then
    Isolated
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 95. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 95 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 72. Northeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 89. Northeast wind around 5 mph.
Saturday Night
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 74. East southeast wind around 5 mph becoming south southwest after midnight.
Sunday
Isolated showers and thunderstorms after 1pm. Sunny, with a high near 95. Heat index values as high as 102. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 75. South southeast wind around 5 mph.
Monday
Isolated showers after 1pm. Sunny, with a high near 96. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, with a low around 76. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly sunny, with a high near 95. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Isolated showers, then scattered showers and thunderstorms after 1pm. Mostly cloudy, with a high near 95. Chance of precipitation is 30%.
Wednesday Night
Scattered showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 30%.
Thursday
Scattered showers and thunderstorms. Partly sunny, with a high near 96. Chance of precipitation is 30%.
Thursday Night
Isolated showers and thunderstorms. Mostly cloudy, with a low around 77. Chance of precipitation is 20%.
Friday
Isolated showers and thunderstorms. Partly sunny, with a high near 97. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.48°W (Elev. 702 ft)
Last Update:
6:44 pm CDT May 30, 2025
Forecast Valid:
7pm CDT May 30, 2025-6pm CDT Jun 6, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation