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

95°F

35°C

Humidity 22%
Wind Speed SW 10 G 18 mph
Barometer 29.60 in (1000.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 15 Mar 4:51 pm CDT
Extended Forecast for

San Antonio International Airport TX

Wind Advisory March 15, 05:22pm until March 16, 05:00am
Red Flag Warning March 15, 05:22pm until March 16, 08:00pm
Click here for hazard details and duration
Wind Advisory
Red Flag Warning
  •  
    Wind Advisory March 15, 05:22pm until March 16, 05:00am
    Red Flag Warning March 15, 05:22pm until March 16, 08:00pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 43 °F

    Mostly Clear
    and Breezy

  • Monday

    Monday: Mostly sunny, with a high near 59. North wind 10 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 46. South southeast wind 5 to 10 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78. South wind 5 to 10 mph.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. South southeast wind around 5 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 84. South southwest wind around 5 mph.

    High: 84 °F

    Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 43. Breezy, with a north northeast wind 15 to 20 mph increasing to 20 to 25 mph in the evening. Winds could gust as high as 45 mph.
Monday
Mostly sunny, with a high near 59. North wind 10 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 46. South southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 78. South wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 53. South southeast wind around 5 mph.
Thursday
Sunny, with a high near 84. South southwest wind around 5 mph.
Thursday Night
Clear, with a low around 56. South wind around 5 mph.
Friday
Sunny, with a high near 88.
Friday Night
Clear, with a low around 60.
Saturday
Sunny, with a high near 94.
Saturday Night
Clear, with a low around 60.
Sunday
Sunny, with a high near 93.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.48°W (Elev. 817 ft)
Last Update:
4:48 pm CDT Mar 15, 2026
Forecast Valid:
5pm CDT Mar 15, 2026-6pm CDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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