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

81°F

27°C

Humidity 57%
Wind Speed S 20 mph
Barometer 29.93 in (1011.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 5 Mar 11:51 am CST
Extended Forecast for

3 Miles E San Antonio International Airport TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 85. South southeast wind around 15 mph, with gusts as high as 30 mph.

    High: 85 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after midnight. Increasing clouds, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, with thunderstorms also possible after 9pm. Increasing clouds, with a low around 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 82. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    High: 82 °F

    Chance
    Showers then
    Showers

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 60. North northeast wind around 10 mph. Chance of precipitation is 90%.

    Low: 60 °F

    T-storms then
    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 68. Northeast wind around 10 mph. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Cloudy, with a low around 63. Northeast wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 85. South southeast wind around 15 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers after midnight. Increasing clouds, with a low around 69. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Friday
A chance of showers before noon, then a chance of showers and thunderstorms between noon and 3pm, then a chance of showers after 3pm. Cloudy, then gradually becoming mostly sunny, with a high near 82. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers, with thunderstorms also possible after 9pm. Increasing clouds, with a low around 69. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 82. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 60. North northeast wind around 10 mph. Chance of precipitation is 90%.
Sunday
Showers and possibly a thunderstorm. High near 68. Northeast wind around 10 mph. Chance of precipitation is 80%.
Sunday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 63. Northeast wind 5 to 10 mph. Chance of precipitation is 70%.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 82. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E San Antonio International Airport TX
 29.53°N 98.43°W (Elev. 741 ft)
Last Update:
11:48 am CST Mar 5, 2026
Forecast Valid:
12pm CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
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