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

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

74°F

23°C

Humidity 60%
Wind Speed S 10 mph
Barometer 30.29 in (1024.2 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 24 Dec 11:51 am CST
Extended Forecast for

San Antonio TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 78. South wind around 5 mph.

    High: 78 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, increasing clouds, with a low around 64. East southeast wind around 5 mph.

    Low: 64 °F

    Mostly Clear
    then Patchy
    Fog

  • Christmas Day

    Christmas Day: Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming south around 5 mph in the morning.

    High: 80 °F

    Areas Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 66. South southwest wind around 5 mph.

    Low: 66 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 82. South southwest wind around 5 mph.

    High: 82 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. South wind 5 to 10 mph.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. South southeast wind 5 to 10 mph.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 78. South wind around 5 mph becoming east in the afternoon.

    High: 78 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 78. South wind around 5 mph.
Tonight
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 64. East southeast wind around 5 mph.
Christmas Day
Areas of fog before 9am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Calm wind becoming south around 5 mph in the morning.
Thursday Night
Increasing clouds, with a low around 66. South southwest wind around 5 mph.
Friday
Partly sunny, with a high near 82. South southwest wind around 5 mph.
Friday Night
Partly cloudy, with a low around 66. South wind around 5 mph.
Saturday
Partly sunny, with a high near 82. South wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 65. South southeast wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 78. South wind around 5 mph becoming east in the afternoon.
Sunday Night
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 47.
Monday
Mostly cloudy, with a high near 52.
Monday Night
Mostly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.44°N 98.5°W (Elev. 650 ft)
Last Update:
11:50 am CST Dec 24, 2025
Forecast Valid:
12pm CST Dec 24, 2025-6pm CST Dec 30, 2025
 
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