National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

A Few Clouds

91°F

33°C

Humidity 32%
Wind Speed SW 16 G 22 mph
Barometer 29.64 in (1001.8 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 15 Mar 2:51 pm CDT
Extended Forecast for

San Antonio International Airport TX

Wind Advisory March 15, 03:49pm until March 16, 05:00am
Red Flag Warning March 15, 03:49pm until March 16, 08:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning
  •  
    Wind Advisory March 15, 03:49pm until March 16, 05:00am
    Red Flag Warning March 15, 03:49pm until March 16, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • This Afternoon

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Breezy, with a north northeast wind around 25 mph, with gusts as high as 45 mph.

    Low: 43 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 59. North wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. North northeast wind 5 to 10 mph becoming light and variable after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 67. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 45. South southeast wind 5 to 10 mph.

    Low: 45 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. Light south wind increasing to 5 to 10 mph in the morning.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52. South southeast wind around 5 mph.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 96. West northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 43. Breezy, with a north northeast wind around 25 mph, with gusts as high as 45 mph.
Monday
Mostly sunny, with a high near 59. North wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 37. North northeast wind 5 to 10 mph becoming light and variable after midnight.
Tuesday
Sunny, with a high near 67. Light and variable wind becoming south 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 45. South southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 78. Light south wind increasing to 5 to 10 mph in the morning.
Wednesday Night
Mostly clear, with a low around 52. South southeast wind around 5 mph.
Thursday
Sunny, with a high near 84. Calm wind becoming south southwest around 5 mph in the morning.
Thursday Night
Clear, with a low around 56.
Friday
Sunny, with a high near 89.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 94.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.45°W (Elev. 771 ft)
Last Update:
3:40 pm CDT Mar 15, 2026
Forecast Valid:
3pm CDT Mar 15, 2026-6pm CDT Mar 21, 2026
 
Forecast Discussion
 
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Additional Resources

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