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.

Mostly Cloudy

36°F

2°C

Humidity 73%
Wind Speed NW 5 mph
Barometer 30.48 in (1031.8 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 28 Jan 8:51 am CST
Extended Forecast for

San Antonio TX

  • Today

    Today: Sunny, with a high near 58. North northwest wind around 5 mph becoming calm.

    High: 58 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. West northwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. North wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 30. North northeast wind 5 to 10 mph.

    Low: 30 °F

    Mostly Clear

  • Saturday

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

    High: 48 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 25. East northeast wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Mostly Clear

  • Sunday

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

    High: 52 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 58. North northwest wind around 5 mph becoming calm.
Tonight
Partly cloudy, with a low around 33. Calm wind.
Thursday
Mostly sunny, with a high near 66. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 39. West northwest wind 5 to 15 mph becoming north after midnight. Winds could gust as high as 25 mph.
Friday
Mostly sunny, with a high near 57. North wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 30. North northeast wind 5 to 10 mph.
Saturday
Sunny, with a high near 48. North northeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 25. East northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 52. Calm wind becoming southeast around 5 mph.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Partly sunny, with a high near 59.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 48.
Tuesday
A 20 percent chance of showers. Mostly cloudy, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
4:44 am CST Jan 28, 2026
Forecast Valid:
9am CST Jan 28, 2026-6pm CST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation