Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains tonight, crossing the Midwest and reaching the Gulf Coast Friday night. Dangerously cold temperatures will persist across the eastern U.S. into early February. There is increasing confidence for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

53°F

12°C

Humidity 72%
Wind Speed S 7 mph
Barometer 30.17 in (1020.9 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 29 Jan 9:51 am CST
Extended Forecast for

San Antonio TX

  • Today

    Today: Mostly sunny, with a high near 67. Southwest wind 5 to 10 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 40. West northwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 40 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 58 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. North northeast wind 5 to 10 mph.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 48. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24. East northeast wind around 5 mph becoming calm  in the evening.

    Low: 24 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.

    High: 53 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36. South wind around 5 mph becoming calm.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 67. Southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 40. West northwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Friday
Partly sunny, with a high near 58. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 32. North northeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 48. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly clear, with a low around 24. East northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 53. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 36. South wind around 5 mph becoming calm.
Monday
Mostly sunny, with a high near 60. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 51.
Tuesday
Mostly cloudy, with a high near 70.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
8:44 am CST Jan 29, 2026
10am CST Jan 29, 2026-6pm CST Feb 4, 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