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

67°F

19°C

Humidity 84%
Wind Speed S 12 mph
Barometer 30.01 in (1014.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 2 Mar 3:51 am CST
Extended Forecast for

San Antonio TX

  • Overnight

    Overnight: Cloudy, with a low around 65. South southeast wind around 5 mph.

    Low: 65 °F

    Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 83. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Increasing clouds, with a low around 64. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 88. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 68. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    High: 86 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 88. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Cloudy, with a low around 65. South southeast wind around 5 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 83. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 64. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 88. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 68. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 3pm. Mostly cloudy, with a high near 86. South southeast wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 88. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 86. Chance of precipitation is 40%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Sunday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.44°N 98.5°W (Elev. 650 ft)
Last Update:
3:45 am CST Mar 2, 2026
Forecast Valid:
3am CST Mar 2, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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