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

Dangerous Cold Persists through Monday; Wintry Weather from the Northern Plains to the Great Lakes

Bitter cold temperatures and dangerous wind chills will persist from Florida to the Northeast through the day. Daily record low temperatures are forecast across the Southeast and Florida, with some all-time February low temperature records possible across Florida. An Alberta clipper will spread wintry precipitation across the Northern Plains today and into the upper Great Lakes into tonight. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

44°F

7°C

Humidity 85%
Wind Speed NW 3 mph
Barometer 30.34 in (1026.8 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 2 Feb 8:51 am CST
Extended Forecast for

Castle Hills TX

  • Today

    Today: Mostly cloudy, with a high near 65. Light southwest wind becoming south 5 to 10 mph in the afternoon.

    High: 65 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. South wind 5 to 10 mph.

    Low: 56 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Cloudy, then gradually becoming mostly sunny, with a high near 71. South southwest wind around 5 mph becoming north in the afternoon.

    High: 71 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 47. North wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 66. North northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 66 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40. North northeast wind 5 to 10 mph.

    Low: 40 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. North wind around 5 mph becoming calm in the morning.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 41. Calm wind becoming west around 5 mph after midnight.

    Low: 41 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 71. West southwest wind around 5 mph.

    High: 71 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 65. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 56. South wind 5 to 10 mph.
Tuesday
Cloudy, then gradually becoming mostly sunny, with a high near 71. South southwest wind around 5 mph becoming north in the afternoon.
Tuesday Night
Partly cloudy, with a low around 47. North wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 66. North northeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 40. North northeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 66. North wind around 5 mph becoming calm in the morning.
Thursday Night
Clear, with a low around 41. Calm wind becoming west around 5 mph after midnight.
Friday
Sunny, with a high near 71. West southwest wind around 5 mph.
Friday Night
Mostly clear, with a low around 45.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.53°W (Elev. 846 ft)
Last Update:
8:42 am CST Feb 2, 2026
Forecast Valid:
9am CST Feb 2, 2026-6pm CST Feb 8, 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