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.

Fair

59°F

15°C

Humidity 67%
Wind Speed SE 3 mph
Barometer 30.23 in (1022.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 29 Mar 2:51 am CDT
Extended Forecast for

San Antonio International Airport TX

  • Overnight

    Overnight: Mostly clear, with a low around 56. Calm wind.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Patchy fog between 8am and 10am. Otherwise, mostly sunny, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 63. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 87. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 87 °F

    Gradual
    Clearing

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Partly Sunny

  • Tuesday Night

    Tuesday 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

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 56. Calm wind.
Sunday
Patchy fog between 8am and 10am. Otherwise, mostly sunny, with a high near 84. Light and variable wind becoming south 5 to 10 mph in the morning.
Sunday Night
Increasing clouds, with a low around 63. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 87. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 64. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 90. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Partly cloudy, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Mostly cloudy, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 88.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
Partly sunny, with a high near 90.
Friday Night
Mostly cloudy, with a low around 67.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.48°W (Elev. 817 ft)
Last Update:
2:42 am CDT Mar 29, 2026
Forecast Valid:
3am CDT Mar 29, 2026-6pm CDT Apr 4, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation