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

80°F

27°C

Humidity 60%
Wind Speed S 17 G 23 mph
Barometer 29.92 in (1011.3 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 16 May 11:51 am CDT
Extended Forecast for

San Antonio TXSimilar City Names

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 92. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 75. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 92 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    Low: 78 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 93. South southeast wind around 15 mph, with gusts as high as 30 mph.

    High: 93 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 79. Southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 79 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 93 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    Low: 75 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 88. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 92. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tonight
Increasing clouds, with a low around 75. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, with a high near 92. South southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 78. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 93. South southeast wind around 15 mph, with gusts as high as 30 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 79. Southeast wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 93. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 88. Southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 73.
Thursday
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 70. Chance of precipitation is 70%.
Friday
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TXSimilar City Names
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
11:32 am CDT May 16, 2026
Forecast Valid:
12pm CDT May 16, 2026-6pm CDT May 22, 2026
 
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