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 54%
Wind Speed S 9 G 25 mph
Barometer 29.97 in (1012.8 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 19 May 12:51 pm CDT
Extended Forecast for

Terrell Hills TX

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. South southeast wind around 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers after 4am. Low around 72. Southeast wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 72 °F

    T-storms

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 84. East wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. East wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 83. South southeast wind around 5 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 70 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. South wind 5 to 10 mph.

    High: 86 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Southeast wind around 5 mph. Chance of precipitation is 60%.

    Low: 71 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm. High near 83. Southeast wind around 5 mph. Chance of precipitation is 80%.

    High: 83 °F

    Showers
    Likely then
    T-storms

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92. South southeast wind around 15 mph, with gusts as high as 20 mph.
Tonight
Showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then a chance of showers after 4am. Low around 72. Southeast wind 5 to 10 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A chance of showers, with thunderstorms also possible after 7am. Partly sunny, with a high near 84. East wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. East wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday
Showers and possibly a thunderstorm. High near 83. South southeast wind around 5 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. Southeast wind around 5 mph. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. South wind 5 to 10 mph.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Southeast wind around 5 mph. Chance of precipitation is 60%.
Saturday
Showers and possibly a thunderstorm. High near 83. Southeast wind around 5 mph. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm. Low around 69. Chance of precipitation is 80%.
Sunday
Showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Sunday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Memorial Day
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Terrell Hills TX
 29.46°N 98.43°W (Elev. 653 ft)
Last Update:
1:34 pm CDT May 19, 2026
Forecast Valid:
1pm CDT May 19, 2026-6pm CDT May 25, 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