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.

Thunderstorm Heavy Rain Fog/Mist

49°F

9°C

Humidity 90%
Wind Speed N 15 G 23 mph
Barometer 30.27 in (1023.9 mb)
Dewpoint 46°F (8°C)
Visibility 4.00 mi
Wind Chill43°F (6°C)
Last update 19 Apr 12:51 am CDT
Extended Forecast for

3 Miles NNW Balcones Heights TX

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Northeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 53 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers before 10am. Mostly cloudy, with a high near 70. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 70 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. East southeast wind around 5 mph becoming northeast after midnight. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm. High near 64. East northeast wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 64 °F

    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 58. East wind around 5 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 71. East wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 71 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 64. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. South southeast wind 5 to 10 mph.

    High: 81 °F

    Cloudy then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 67. South southeast wind around 10 mph.

    Low: 67 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Northeast wind around 15 mph, with gusts as high as 30 mph.
Sunday
A 20 percent chance of showers before 10am. Mostly cloudy, with a high near 70. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. East southeast wind around 5 mph becoming northeast after midnight. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Showers and possibly a thunderstorm. High near 64. East northeast wind 5 to 10 mph. Chance of precipitation is 80%.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 58. East wind around 5 mph. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 71. East wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Mostly cloudy, with a low around 64. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 81. South southeast wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 67. South southeast wind around 10 mph.
Thursday
Mostly cloudy, with a high near 84.
Thursday Night
Mostly cloudy, with a low around 69.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Friday Night
Partly cloudy, with a low around 65.
Saturday
Partly sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Balcones Heights TX
 29.52°N 98.59°W (Elev. 922 ft)
Last Update:
12:42 am CDT Apr 19, 2026
Forecast Valid:
1am CDT Apr 19, 2026-6pm CDT Apr 25, 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