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

69°F

21°C

Humidity 84%
Wind Speed NE 6 mph
Barometer 30.13 in (1018.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 15 Apr 5:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 86. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 86 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 64. East wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 88. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 88 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 65 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 91 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 68 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 92 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Cloudy, with a low around 71. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 71 °F

    Cloudy then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 89. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 86. Northeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 64. East wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Partly sunny, with a high near 88. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 65. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
Partly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 68. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Friday
Mostly cloudy, with a high near 92. South wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Cloudy, with a low around 71. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 89. South southeast wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Monday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
5:26 am CDT Apr 15, 2025
Forecast Valid:
6am CDT Apr 15, 2025-6pm CDT Apr 21, 2025
 
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