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

Above Average Temperatures for the West and Central Plains; Lake Effect Snow Continues

Well above average temperatures will prevail across the Plains and the West Coast this week, while a cold front will bring Arctic air to the South and East Coast Thursday and Friday. Lake effect snow is forecast downwind of the Great Lakes through Thursday along and behind the Arctic front, as well as mountain snow across the Southern Appalachians. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

45°F

7°C

Humidity 77%
Wind Speed Calm
Barometer 30.07 in (1017.2 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 14 Jan 6:51 am CST
Extended Forecast for

Castle Hills TX

  • Today

    Today: Sunny, with a high near 69. West wind 5 to 10 mph becoming north 15 to 20 mph in the morning. Winds could gust as high as 30 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 41. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 65. North wind around 5 mph becoming south in the afternoon.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 43. South wind around 5 mph.

    Low: 43 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 72. Southwest wind around 5 mph becoming north in the afternoon.

    High: 72 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 45. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 45 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 59. East wind 5 to 10 mph.

    High: 59 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. Northeast wind around 5 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63. North wind around 5 mph becoming south southeast in the afternoon.

    High: 63 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 69. West wind 5 to 10 mph becoming north 15 to 20 mph in the morning. Winds could gust as high as 30 mph.
Tonight
Clear, with a low around 41. North wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 65. North wind around 5 mph becoming south in the afternoon.
Thursday Night
Clear, with a low around 43. South wind around 5 mph.
Friday
Sunny, with a high near 72. Southwest wind around 5 mph becoming north in the afternoon.
Friday Night
Mostly clear, with a low around 45. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Mostly sunny, with a high near 59. East wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 38. Northeast wind around 5 mph.
Sunday
Sunny, with a high near 63. North wind around 5 mph becoming south southeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 43.
M.L.King Day
Partly sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 47.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.5°N 98.53°W (Elev. 810 ft)
Last Update:
6:30 am CST Jan 14, 2026
Forecast Valid:
7am CST Jan 14, 2026-6pm CST Jan 20, 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