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

81°F

27°C

Humidity 77%
Wind Speed S 10 mph
Barometer 30.03 in (1014.8 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 26 Aug 2:51 am CDT
Extended Forecast for

Bulverde TX

Heat Advisory August 26, 03:13am until August 26, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 26, 03:13am until August 26, 07:00pm

    NOW until 7:00pm Wed

    Heat Advisory

  • Overnight

    Low: 75 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. Heat index values as high as 104. South wind around 5 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South wind around 5 mph.

    Low: 76 °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 104. West southwest wind around 5 mph becoming calm.

    High: 99 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 73 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Calm wind becoming east around 5 mph in the afternoon.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. East southeast wind around 5 mph becoming calm after midnight.

    Low: 74 °F

    Mostly Clear

  • Saturday

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

    High: 97 °F

    Sunny

Detailed Forecast

Overnight
Partly cloudy, with a low around 75. South southwest wind around 5 mph.
Wednesday
Sunny and hot, with a high near 101. Heat index values as high as 104. South wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 76. South 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 104. West southwest wind around 5 mph becoming calm.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 73. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 98. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 74. 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 73. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 97.
Sunday Night
Clear, with a low around 73.
Monday
Mostly sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 73.
Tuesday
Mostly sunny, with a high near 97.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bulverde TX
 29.73°N 98.46°W (Elev. 1161 ft)
Last Update:
2:46 am CDT Aug 26, 2026
Forecast Valid:
3am CDT Aug 26, 2026-6pm CDT Sep 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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