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.

Fair

27°F

-3°C

Humidity 69%
Wind Speed SE 5 mph
Barometer 30.60 in (1036.2 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 21 Jan 10:51 pm CST
Extended Forecast for

San Antonio TX

Cold Weather Advisory January 21, 11:58pm until January 22, 12:00pm
Click here for hazard details and duration
Cold Weather Advisory
  •  
    Cold Weather Advisory January 21, 11:58pm until January 22, 12:00pm

    NOW until 12:00pm Wed

    Cold Weather Advisory

  • Tonight

    Low: 21 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 50. South southwest wind 5 to 10 mph.

    High: 50 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Calm wind becoming north around 5 mph after midnight.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 53. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 53 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. North wind around 5 mph.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 33. South wind around 5 mph becoming calm after midnight.

    Low: 33 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, with a high near 60. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 60 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 21. Calm wind becoming south southwest around 5 mph.
Wednesday
Sunny, with a high near 50. South southwest wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 31. Calm wind becoming north around 5 mph after midnight.
Thursday
Sunny, with a high near 53. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 31. North wind around 5 mph.
Friday
Sunny, with a high near 55. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 33. South wind around 5 mph becoming calm after midnight.
Saturday
Mostly cloudy, with a high near 60. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 52. East southeast wind around 5 mph.
Sunday
A 20 percent chance of showers before noon. Mostly cloudy, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 50.
Monday
Partly sunny, with a high near 62.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 54.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
2:42 pm CST Jan 21, 2025
Forecast Valid:
11pm CST Jan 21, 2025-6pm CST Jan 28, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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