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

64°F

18°C

Humidity 90%
Wind Speed SE 6 mph
Barometer 30.06 in (1016.1 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 23 Mar 7:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: Partly sunny, then gradually becoming sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.

    High: 87 °F

    Becoming
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. South southeast wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 88. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 88 °F

    Becoming
    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 65. South southeast wind 5 to 10 mph.

    Low: 65 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 90. South southeast wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 92. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 90. South southeast wind 5 to 10 mph.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, then gradually becoming sunny, with a high near 87. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Mostly clear, with a low around 61. South southeast wind around 5 mph.
Tuesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 88. Light south wind increasing to 5 to 10 mph in the afternoon.
Tuesday Night
Increasing clouds, with a low around 65. South southeast wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 90. South southeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 64. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 92. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 90. South southeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 59.
Saturday
Mostly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 83.
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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:
6:44 am CDT Mar 23, 2026
Forecast Valid:
8am CDT Mar 23, 2026-6pm CDT Mar 29, 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