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

82°F

28°C

Humidity 74%
Wind Speed S 12 mph
Barometer 30.06 in (1016.1 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 25 Aug 9:51 am CDT
Extended Forecast for

Olmos Park TX

Heat Advisory August 25, 10:29am until August 26, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 25, 10:29am until August 26, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • Today

    High: 102 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 103. Heat index values as high as 106. Southwest wind around 5 mph becoming south southeast in the afternoon.

    High: 103 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 79. South southwest wind around 5 mph.

    Low: 79 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 101 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. Northeast wind around 5 mph becoming south after midnight.

    Low: 78 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Calm wind becoming east around 5 mph in the afternoon.

    High: 99 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 102. Southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 77. Southeast wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 20 mph.
Wednesday
Sunny and hot, with a high near 103. Heat index values as high as 106. Southwest wind around 5 mph becoming south southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 79. South southwest wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 101. Calm wind becoming east southeast around 5 mph in the afternoon.
Thursday Night
A 40 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 78. Northeast wind around 5 mph becoming south after midnight.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 99. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 77. South southeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 98. Calm wind becoming east southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny, with a high near 98.
Sunday Night
Clear, with a low around 76.
Monday
Sunny, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Olmos Park TX
 29.46°N 98.48°W (Elev. 702 ft)
Last Update:
6:42 am CDT Aug 25, 2026
Forecast Valid:
10am CDT Aug 25, 2026-6pm CDT Aug 31, 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