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

Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

67°F

19°C

Humidity 93%
Wind Speed SW 7 mph
Barometer 30.08 in (1017.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 26 Dec 7:51 am CST
Extended Forecast for

San Antonio TX

  • Today

    Today: Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. South southwest wind around 5 mph.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 67. South southeast wind around 5 mph.

    Low: 67 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 67. South southeast wind 5 to 10 mph.

    Low: 67 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Mostly cloudy, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 47. Southeast wind 5 to 10 mph becoming north 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    Low: 47 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: Mostly cloudy, with a high near 52. North wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 52 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55. North wind 5 to 10 mph.

    High: 55 °F

    Mostly Cloudy

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. South southwest wind around 5 mph.
Tonight
Increasing clouds, with a low around 67. South southeast wind around 5 mph.
Saturday
Cloudy, then gradually becoming mostly sunny, with a high near 80. South wind 5 to 10 mph.
Saturday Night
Increasing clouds, with a low around 67. South southeast wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 80. South wind 5 to 10 mph.
Sunday Night
A slight chance of showers, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 47. Southeast wind 5 to 10 mph becoming north 15 to 20 mph after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 52. North wind 15 to 20 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 39. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 55. North wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 44.
New Year's Day
Partly sunny, with a high near 68.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
5:44 am CST Dec 26, 2025
Forecast Valid:
8am CST Dec 26, 2025-6pm CST Jan 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation