National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Fog/Mist

69°F

21°C

Humidity 96%
Wind Speed Calm
Barometer 29.99 in (1014.2 mb)
Dewpoint 68°F (20°C)
Visibility 3.00 mi
Last update 9 Mar 1:51 pm CDT
Extended Forecast for

Balcones Heights TX

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph.

    Low: 69 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Patchy fog before 10am. Otherwise, cloudy, with a high near 83. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Patchy Fog
    then Cloudy

  • Tuesday Night

    Tuesday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 64. Southeast wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 64 °F

    Chance
    Showers then
    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 82. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

    High: 82 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51. North wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 51 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 48. East wind around 5 mph becoming calm in the evening.

    Low: 48 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming south southwest around 5 mph in the morning.

    High: 80 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 79. South wind 5 to 10 mph.
Tonight
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69. Southeast wind 5 to 10 mph.
Tuesday
Patchy fog before 10am. Otherwise, cloudy, with a high near 83. South southeast wind 5 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 64. Southeast wind 5 to 15 mph becoming south southwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Mostly sunny, with a high near 82. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
Wednesday Night
Mostly clear, with a low around 51. North wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday
Sunny, with a high near 72. North wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Clear, with a low around 48. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80. Calm wind becoming south southwest around 5 mph in the morning.
Friday Night
Clear, with a low around 55.
Saturday
Sunny, with a high near 86.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Mostly sunny, with a high near 89.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Balcones Heights TX
 29.48°N 98.56°W (Elev. 784 ft)
Last Update:
2:18 pm CDT Mar 9, 2026
Forecast Valid:
2pm CDT Mar 9, 2026-6pm CDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation