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

Lake Effect Snow through Friday; Heavy Rain, Thunderstorms and Mountain Snow in California

Periods of moderate to heavy lake effect snow will continue through Friday downwind of Lake Erie and Ontario. Several additional inches of accumulating snow are expected. A Pacific storm will bring heavy rain and mountain snow across California, the Southwest and Intermountain West today. Isolated severe thunderstorms and scattered flash flooding is possible across parts of southern California. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Partly Cloudy

67°F

19°C

Humidity 36%
Wind Speed S 12 mph
Barometer 30.11 in (1018.2 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 1 Jan 11:51 am CST
Extended Forecast for

Castle Hills TX

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 72. South southwest wind 5 to 10 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming mostly clear, with a low around 54. Southwest wind around 5 mph.

    Low: 54 °F

    Decreasing
    Clouds

  • Friday

    Friday: Sunny, with a high near 85. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 57. West wind 5 to 10 mph.

    Low: 57 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 47. North northeast wind around 5 mph.

    Low: 47 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 72. North northeast wind around 5 mph becoming south southeast in the afternoon.

    High: 72 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. South southeast wind around 5 mph becoming calm.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 75. Calm wind becoming south around 5 mph in the morning.

    High: 75 °F

    Mostly Cloudy

Detailed Forecast

New Year's Day
Partly sunny, with a high near 72. South southwest wind 5 to 10 mph.
Tonight
Mostly cloudy, then gradually becoming mostly clear, with a low around 54. Southwest wind around 5 mph.
Friday
Sunny, with a high near 85. West wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 57. West wind 5 to 10 mph.
Saturday
Sunny, with a high near 77. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 47. North northeast wind around 5 mph.
Sunday
Sunny, with a high near 72. North northeast wind around 5 mph becoming south southeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 53. South southeast wind around 5 mph becoming calm.
Monday
Mostly cloudy, with a high near 75. Calm wind becoming south around 5 mph in the morning.
Monday Night
Partly cloudy, with a low around 59.
Tuesday
Partly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.53°W (Elev. 846 ft)
Last Update:
11:44 am CST Jan 1, 2026
Forecast Valid:
12pm CST Jan 1, 2026-6pm CST Jan 7, 2026
 
Forecast Discussion
 
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