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

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Fair

51°F

11°C

Humidity 80%
Wind Speed NW 3 mph
Barometer 30.03 in (1015.6 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 Nov 5:51 am CST
Extended Forecast for

San Antonio TX

  • Today

    Today: Sunny, with a high near 77. West northwest wind around 5 mph becoming calm in the afternoon.

    High: 77 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 54. Calm wind becoming east northeast around 5 mph after midnight.

    Low: 54 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after noon. Partly sunny, with a high near 71. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.

    High: 71 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers. Low around 60. East southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm. High near 70. East wind 5 to 10 mph becoming south in the morning. Chance of precipitation is 90%.

    High: 70 °F

    Showers

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 54. North northeast wind 10 to 20 mph, with gusts as high as 35 mph.

    Low: 54 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 60. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 60 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 61. Northeast wind 5 to 10 mph.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 77. West northwest wind around 5 mph becoming calm in the afternoon.
Tonight
Mostly clear, with a low around 54. Calm wind becoming east northeast around 5 mph after midnight.
Saturday
A 20 percent chance of showers after noon. Partly sunny, with a high near 71. East northeast wind 5 to 10 mph becoming southeast in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
Showers. Low around 60. East southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%.
Sunday
Showers and possibly a thunderstorm. High near 70. East wind 5 to 10 mph becoming south in the morning. Chance of precipitation is 90%.
Sunday Night
A 20 percent chance of showers before midnight. Mostly cloudy, with a low around 54. North northeast wind 10 to 20 mph, with gusts as high as 35 mph.
Monday
Partly sunny, with a high near 60. North northeast wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
Mostly cloudy, with a low around 51. North northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 61. Northeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
A 20 percent chance of showers. Mostly cloudy, with a high near 64.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 61.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 69.
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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:
5:42 am CST Nov 13, 2026
Forecast Valid:
6am CST Nov 13, 2026-6pm CST Nov 19, 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