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

87°F

31°C

Humidity 43%
Wind Speed SE 13 mph
Barometer 30.00 in (1013.9 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 23 Aug 11:51 pm CDT
Extended Forecast for

Terrell Hills TX

Heat Advisory August 24, 12:08am until August 26, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 24, 12:08am until August 26, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • Overnight

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 102. Southwest wind around 5 mph becoming south southeast in the afternoon.

    High: 102 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 102. Heat index values as high as 106. South southwest wind around 5 mph.

    High: 102 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 102. South southwest wind around 5 mph.

    High: 102 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 102. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 102 °F

    Hot

Detailed Forecast

Overnight
Mostly clear, with a low around 77. South southwest wind 5 to 10 mph.
Monday
Sunny and hot, with a high near 102. Southwest wind around 5 mph becoming south southeast in the afternoon.
Monday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny and hot, with a high near 102. Heat index values as high as 106. South southwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 102. South southwest wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 78. Southeast wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 102. Calm wind becoming southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 79. South southeast wind around 5 mph.
Friday
Mostly sunny and hot, with a high near 100.
Friday Night
Mostly clear, with a low around 77.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 99.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Terrell Hills TX
 29.48°N 98.45°W (Elev. 797 ft)
Last Update:
11:32 pm CDT Aug 23, 2026
Forecast Valid:
12am CDT Aug 24, 2026-6pm CDT Aug 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation