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.

Partly Cloudy

60°F

16°C

Humidity 67%
Wind Speed Calm
Barometer 30.19 in (1021.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 11 Feb 11:51 pm CST
Extended Forecast for

3 Miles WNW Castle Hills TX

  • Overnight

    Overnight: Mostly clear, with a low around 53. Northeast wind around 5 mph becoming calm.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.

    High: 79 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm after midnight.

    Low: 59 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 80. Light south southeast wind increasing to 5 to 10 mph in the morning.

    High: 80 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 63. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 3pm, then showers likely. High near 80. South southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: Clear, with a low around 55. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 55 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 78. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 47. North wind around 5 mph becoming calm in the evening.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 53. Northeast wind around 5 mph becoming calm.
Thursday
Mostly sunny, with a high near 79. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm after midnight.
Friday
Mostly cloudy, with a high near 80. Light south southeast wind increasing to 5 to 10 mph in the morning.
Friday Night
A 50 percent chance of showers after midnight. Mostly cloudy, with a low around 63. South southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
Showers and possibly a thunderstorm before 3pm, then showers likely. High near 80. South southeast wind around 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%.
Saturday Night
Clear, with a low around 55. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 78. North wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 47. North wind around 5 mph becoming calm in the evening.
Washington's Birthday
Sunny, with a high near 78.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Mostly sunny, with a high near 83.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Castle Hills TX
 29.55°N 98.56°W (Elev. 919 ft)
Last Update:
12:44 am CST Feb 12, 2026
Forecast Valid:
12am CST Feb 12, 2026-6pm CST Feb 18, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation