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.

Light Rain Fog/Mist

65°F

18°C

Humidity 100%
Wind Speed SE 5 mph
Barometer 30.02 in (1015.1 mb)
Dewpoint 65°F (18°C)
Visibility 0.25 mi
Last update 22 Apr 5:51 am CDT
Extended Forecast for

San Antonio International Airport TX

Dense Fog Advisory until April 22, 10:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until April 22, 10:00am

    NOW until 10:00am Wed

    Dense Fog Advisory

  • Today

    High: 82 °F

    Chance
    Showers and
    Areas Fog
    then Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 67. Southeast wind around 5 mph.

    Low: 67 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 84. South wind 5 to 10 mph.

    High: 84 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 69. South southeast wind 5 to 10 mph.

    Low: 69 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 85. South wind around 5 mph.

    High: 85 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 70. South southeast wind around 5 mph.

    Low: 70 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 89. South southeast wind around 5 mph.

    High: 89 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 70. Southeast wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

Detailed Forecast

Today
A chance of showers, with thunderstorms also possible after 1pm. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 82. South southeast wind around 5 mph. Chance of precipitation is 30%.
Tonight
Mostly cloudy, with a low around 67. Southeast wind around 5 mph.
Thursday
Mostly cloudy, with a high near 84. South wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 69. South southeast wind 5 to 10 mph.
Friday
Mostly cloudy, with a high near 85. South wind around 5 mph.
Friday Night
Mostly cloudy, with a low around 70. South southeast wind around 5 mph.
Saturday
Partly sunny, with a high near 89. South southeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 70. Southeast wind around 5 mph.
Sunday
Mostly cloudy, with a high near 90. South wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 71.
Monday
Partly sunny, with a high near 92.
Monday Night
Partly cloudy, with a low around 69.
Tuesday
Partly 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:
6:44 am CDT Apr 22, 2026
Forecast Valid:
6am CDT Apr 22, 2026-6pm CDT Apr 28, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation