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

57°F

14°C

Humidity 78%
Wind Speed N 12 G 23 mph
Barometer 30.38 in (1027.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 28 Mar 6:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: Mostly cloudy, with a high near 70. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 58. North northeast wind around 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 84. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 84 °F

    Decreasing
    Clouds

  • Sunday Night

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

    Low: 64 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly sunny, with a high near 89. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 91 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 67. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. South southeast wind 5 to 10 mph.

    High: 91 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

Detailed Forecast

Today
Mostly cloudy, with a high near 70. North northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 58. North northeast wind around 5 mph.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 84. Light southeast wind becoming south 5 to 10 mph in the morning.
Sunday Night
Increasing clouds, with a low around 64. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Mostly sunny, with a high near 89. South wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 67. South 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 91. South southeast wind 5 to 10 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
Mostly cloudy, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.44°N 98.5°W (Elev. 650 ft)
Last Update:
6:42 am CDT Mar 28, 2026
Forecast Valid:
7am CDT Mar 28, 2026-6pm CDT Apr 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation