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 and Breezy

79°F

26°C

Humidity 62%
Wind Speed SE 23 G 29 mph
Barometer 29.91 in (1011.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 14 Apr 7:51 pm CDT
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 84. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Cloudy then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 70. South southeast wind 5 to 10 mph.

    Low: 70 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 89. South southeast wind 5 to 10 mph.

    High: 89 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. South southeast wind around 10 mph.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 89. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 89 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 70. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.

    High: 80 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 70. 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. Mostly cloudy, with a high near 84. South wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 70. South southeast wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 89. South southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 70. South southeast wind around 10 mph.
Friday
Mostly cloudy, with a high near 89. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 70. Southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph becoming north northeast in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 57. North northeast wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Sunday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 72.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Monday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 69.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
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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:
7:44 pm CDT Apr 14, 2026
Forecast Valid:
8pm CDT Apr 14, 2026-6pm CDT Apr 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation