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

Above Average Temperatures for Most Today; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures are forecast today into Wednesday over most of the lower 48 states away from the Gulf Coast. A storm system passing across southern Canada will bring a wintry mix to the upper Great Lakes today. A trailing cold front will then bring the wintry mix from the central Appalachians through the Northeast U.S. Wednesday and Thursday. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

48°F

9°C

Humidity 83%
Wind Speed W 5 mph
Barometer 30.30 in (1025.2 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 13 Jan 5:51 am CST
Extended Forecast for

Castle Hills TX

  • Overnight

    Overnight: A 30 percent chance of showers. Cloudy, with a low around 50. West northwest wind around 5 mph.

    Low: 50 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A 30 percent chance of showers before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 62. Southwest wind around 5 mph.

    High: 62 °F

    Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. West wind around 5 mph.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. West wind 5 to 15 mph becoming north in the morning. Winds could gust as high as 25 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 41. North wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 41 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 64. North wind around 5 mph becoming south southeast in the afternoon.

    High: 64 °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 68. West southwest wind 5 to 10 mph becoming east in the afternoon.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 44. Northeast wind 5 to 10 mph.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers. Cloudy, with a low around 50. West northwest wind around 5 mph.
Tuesday
A 30 percent chance of showers before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 62. Southwest wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 46. West wind around 5 mph.
Wednesday
Sunny, with a high near 70. West wind 5 to 15 mph becoming north in the morning. Winds could gust as high as 25 mph.
Wednesday Night
Clear, with a low around 41. North wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 64. North wind around 5 mph becoming south southeast in the afternoon.
Thursday Night
Clear, with a low around 43. South wind around 5 mph.
Friday
Sunny, with a high near 68. West southwest wind 5 to 10 mph becoming east in the afternoon.
Friday Night
Mostly clear, with a low around 44. Northeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 63.
Saturday Night
Mostly clear, with a low around 40.
Sunday
Sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 39.
M.L.King Day
Partly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Castle Hills TX
 29.53°N 98.51°W (Elev. 869 ft)
Last Update:
5:42 am CST Jan 13, 2026
Forecast Valid:
5am CST Jan 13, 2026-6pm CST Jan 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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