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.

A Few Clouds

85°F

29°C

Humidity 43%
Wind Speed Calm
Barometer 30.09 in (1017.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 13 May 1:51 pm CDT
Extended Forecast for

Castle Hills TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 90. East southeast wind around 5 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 66. Southeast wind around 5 mph becoming southwest after midnight.

    Low: 66 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Light southwest wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 91 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 70 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 90. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 75. Southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 86. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 86 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 90. East southeast wind around 5 mph.
Tonight
Mostly clear, with a low around 66. Southeast wind around 5 mph becoming southwest after midnight.
Thursday
Sunny, with a high near 90. Light southwest wind becoming south southeast 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 68. South southeast wind around 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 70. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
Partly sunny, with a high near 90. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly cloudy, with a low around 75. Southeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
Mostly cloudy, with a high near 86. South southeast wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 77.
Monday
A 40 percent chance of showers and thunderstorms. Cloudy, with a high near 85.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 76.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.51°W (Elev. 869 ft)
Last Update:
1:28 pm CDT May 13, 2026
Forecast Valid:
2pm CDT May 13, 2026-6pm CDT May 19, 2026
 
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Additional Resources

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