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

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

A Few Clouds

59°F

15°C

Humidity 32%
Wind Speed S 5 mph
Barometer 30.35 in (1026.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Last update 28 Jan 2:51 pm CST
Extended Forecast for

San Antonio TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 58. Calm wind.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 67. Calm wind becoming southwest around 5 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly 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

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 58. North wind around 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 47. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 47 °F

    Sunny

  • Saturday Night

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

    Low: 24 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 52. Calm wind becoming south southeast around 5 mph.

    High: 52 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 58. Calm wind.
Tonight
Partly cloudy, with a low around 34. Calm wind.
Thursday
Mostly sunny, with a high near 67. Calm wind becoming southwest around 5 mph in the morning.
Thursday Night
Mostly 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 around 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 47. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Clear, with a low around 24. East northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 52. Calm wind becoming south southeast around 5 mph.
Sunday Night
Mostly clear, with a low around 35.
Monday
Mostly sunny, with a high near 61.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 50.
Tuesday
Mostly cloudy, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
2:32 pm CST Jan 28, 2026
Forecast Valid:
3pm CST Jan 28, 2026-6pm CST Feb 3, 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