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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Fair

79°F

26°C

Humidity 27%
Wind Speed NW 12 mph
Barometer 29.93 in (1012.2 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 7 Dec 12:51 pm CST
Extended Forecast for

San Antonio TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 73. North wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 73 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. North wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 65. North wind 5 to 10 mph becoming east in the afternoon.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 40. East wind around 5 mph becoming calm in the evening.

    Low: 40 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 67. Calm wind becoming south southwest around 5 mph in the afternoon.

    High: 67 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 47. South southwest wind around 5 mph.

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 75. Southwest wind 5 to 10 mph.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. South southwest wind around 5 mph becoming northwest after midnight.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 79. West northwest wind around 5 mph becoming south southwest in the afternoon.

    High: 79 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 73. North wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 43. North wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 65. North wind 5 to 10 mph becoming east in the afternoon.
Monday Night
Clear, with a low around 40. East wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 67. Calm wind becoming south southwest around 5 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 47. South southwest wind around 5 mph.
Wednesday
Sunny, with a high near 75. Southwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 50. South southwest wind around 5 mph becoming northwest after midnight.
Thursday
Sunny, with a high near 79. West northwest wind around 5 mph becoming south southwest in the afternoon.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 44.
Saturday
Mostly sunny, with a high near 57.
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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:
12:54 pm CST Dec 7, 2025
Forecast Valid:
1pm CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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