Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Overcast

42°F

6°C

Humidity 53%
Wind Speed NW 9 mph
Barometer 30.30 in (1025.1 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 30 Jan 6:51 am CST
Extended Forecast for

San Antonio TX

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a high near 58. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 58 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 34. Light north northeast wind increasing to 5 to 10 mph after midnight.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 26. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 26 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 56. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 39. South wind around 5 mph becoming calm.

    Low: 39 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.

    High: 64 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55. South southeast wind around 5 mph.

    Low: 55 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 71. South wind 5 to 10 mph.

    High: 71 °F

    Mostly Cloudy

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a high near 58. North wind 5 to 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 34. Light north northeast wind increasing to 5 to 10 mph after midnight.
Saturday
Sunny, with a high near 49. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 26. East northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 56. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 39. South wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 64. Calm wind becoming south around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 55. South southeast wind around 5 mph.
Tuesday
Mostly cloudy, with a high near 71. South wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 52.
Wednesday
Mostly cloudy, with a high near 65.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.44°N 98.5°W (Elev. 650 ft)
5:44 am CST Jan 30, 2026
7am CST Jan 30, 2026-6pm CST Feb 5, 2026
 
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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