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.

A Few Clouds

88°F

31°C

Humidity 33%
Wind Speed S 9 mph
Barometer 29.97 in (1012.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 25 Mar 5:51 pm CDT
Extended Forecast for

3 Miles WNW Castle Hills TX

  • Tonight

    Tonight: Increasing clouds, with a low around 64. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Cloudy through mid morning, then gradual clearing, with a high near 89. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 89 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 62. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 62 °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: Mostly clear, with a low around 60. North northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Partly sunny, with a high near 81. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 81 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 57. East wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Light southeast wind becoming south southeast 5 to 10 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

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

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 64. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Cloudy through mid morning, then gradual clearing, with a high near 89. South wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Increasing clouds, with a low around 62. South southeast wind 5 to 15 mph, with gusts as high as 20 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
Mostly clear, with a low around 60. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Partly sunny, with a high near 81. North northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 57. East wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 84. Light southeast wind becoming south southeast 5 to 10 mph in the morning.
Sunday Night
Mostly clear, with a low around 59. South southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 88.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 90.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Partly sunny, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Castle Hills TX
 29.55°N 98.56°W (Elev. 919 ft)
Last Update:
5:32 pm CDT Mar 25, 2026
Forecast Valid:
6pm CDT Mar 25, 2026-6pm CDT Apr 1, 2026
 
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