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

70°F

21°C

Humidity 82%
Wind Speed SE 15 G 25 mph
Barometer 30.04 in (1015.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 26 Mar 1:51 am CDT
Extended Forecast for

San Antonio TX

  • Overnight

    Overnight: Mostly cloudy, with a low around 66. South southeast wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 90. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 63. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 89. South wind around 5 mph becoming east in the afternoon.

    High: 89 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 80. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. East southeast wind 5 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 87. Light southeast wind becoming south southeast 5 to 10 mph in the morning.

    High: 87 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 66. South southeast wind around 5 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 90. South wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Increasing clouds, with a low around 63. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 89. South wind around 5 mph becoming east in the afternoon.
Friday Night
Partly cloudy, with a low around 61. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 80. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 59. East southeast wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 87. Light southeast wind becoming south southeast 5 to 10 mph in the morning.
Sunday Night
Partly cloudy, with a low around 64. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Monday
Partly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Partly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 66.
Wednesday
Partly sunny, with a high near 92.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
1:28 am CDT Mar 26, 2026
Forecast Valid:
2am CDT Mar 26, 2026-6pm CDT Apr 1, 2026
 
Forecast Discussion
 
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Additional Resources

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