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.

A Few Clouds

97°F

36°C

Humidity 30%
Wind Speed Vrbl 7 mph
Barometer 29.99 in (1013.6 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index97°F (36°C)
Last update 26 Aug 2:51 pm CDT
Extended Forecast for

Shavano Park TX

Heat Advisory August 26, 03:38pm until August 27, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 26, 03:38pm until August 27, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 101 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 78. Southeast wind around 5 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 99 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming south southwest in the evening.

    Low: 77 °F

    Chance
    T-storms

  • Friday

    Friday: Mostly sunny, with a high near 98. Calm wind becoming east around 5 mph in the afternoon.

    High: 98 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76. East southeast wind around 5 mph becoming calm after midnight.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Saturday Night

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

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 101. Southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 78. Southeast wind around 5 mph.
Thursday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Heat index values as high as 107. Calm wind becoming north northwest around 5 mph in the afternoon.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 77. Southeast wind around 5 mph becoming south southwest in the evening.
Friday
Mostly sunny, with a high near 98. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 76. East southeast wind around 5 mph becoming calm after midnight.
Saturday
Sunny, with a high near 97. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Sunday
Sunny, with a high near 97. South wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 75.
Monday
Mostly sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Mostly sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Shavano Park TX
 29.59°N 98.56°W (Elev. 978 ft)
Last Update:
2:46 pm CDT Aug 26, 2026
Forecast Valid:
3pm CDT Aug 26, 2026-6pm CDT Sep 1, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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