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.

Overcast

77°F

25°C

Humidity 77%
Wind Speed S 12 mph
Barometer 30.06 in (1016.3 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 12 Apr 11:51 am CDT
Extended Forecast for

Balcones Heights TX

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely, mainly after 1pm. Some of the storms could be severe. Mostly cloudy, with a high near 79. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Severe
    Thunderstorms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 1am. Cloudy, with a low around 70. South southeast wind 5 to 10 mph.

    Low: 70 °F

    Chance
    T-storms

  • Monday

    Monday: A slight chance of showers and thunderstorms between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 84 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Increasing clouds, with a low around 69. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 84. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 84 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 68. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Cloudy then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph.

    Low: 68 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 87. South southeast wind 5 to 10 mph.

    High: 87 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Showers and thunderstorms likely, mainly after 1pm. Some of the storms could be severe. Mostly cloudy, with a high near 79. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Cloudy, with a low around 70. South southeast wind 5 to 10 mph.
Monday
A slight chance of showers and thunderstorms between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 20%.
Monday Night
Increasing clouds, with a low around 69. South southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 84. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 68. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. South southeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly cloudy, with a low around 68. Southeast wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 87. South southeast wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly cloudy, with a high near 89.
Friday Night
Mostly cloudy, with a low around 70.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Balcones Heights TX
 29.48°N 98.56°W (Elev. 784 ft)
Last Update:
11:36 am CDT Apr 12, 2026
Forecast Valid:
12pm CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation