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.

Mostly Cloudy

95°F

35°C

Humidity 44%
Wind Speed NE 8 mph
Barometer 29.86 in (1009.1 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 23 Jul 7:51 pm CDT
Extended Forecast for

4 Miles WSW Shavano Park TX

Heat Advisory July 23, 07:53pm until July 23, 08:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory July 23, 07:53pm until July 23, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • Tonight

    Low: 78 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 102. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 94 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 100. South southeast wind 5 to 10 mph.

    High: 95 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the morning.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 97. South wind 5 to 10 mph.

    High: 97 °F

    Sunny

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms between 10pm and 1am, then a chance of showers after 1am. Mostly cloudy, with a low around 78. Northeast wind 5 to 10 mph becoming southeast after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 94. Heat index values as high as 102. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 76. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 100. South southeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 96. Calm wind becoming south southeast around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 76. South southeast wind 5 to 10 mph.
Monday
Sunny, with a high near 97. South wind 5 to 10 mph.
Monday Night
Clear, with a low around 76. South southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 98.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 99.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Mostly sunny and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Shavano Park TX
 29.55°N 98.61°W (Elev. 955 ft)
Last Update:
7:42 pm CDT Jul 23, 2026
Forecast Valid:
7pm CDT Jul 23, 2026-6pm CDT Jul 30, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation