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.

A Few Clouds

71°F

22°C

Humidity 41%
Wind Speed SE 6 mph
Barometer 30.27 in (1023.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 19 Oct 11:51 am CDT
Extended Forecast for

San Antonio TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 79. East wind around 5 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 62. Calm wind becoming east northeast around 5 mph after midnight.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 84. East wind around 5 mph.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. East northeast wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86. East northeast wind around 5 mph.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 63. East wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Northeast wind around 5 mph becoming east southeast in the afternoon.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. East wind around 5 mph becoming calm in the evening.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 88 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 79. East wind around 5 mph.
Tonight
Partly cloudy, with a low around 62. Calm wind becoming east northeast around 5 mph after midnight.
Tuesday
Sunny, with a high near 84. East wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 62. East northeast wind around 5 mph.
Wednesday
Sunny, with a high near 86. East northeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 63. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 88. Northeast wind around 5 mph becoming east southeast in the afternoon.
Thursday Night
Mostly clear, with a low around 63. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 88. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 66.
Saturday
Mostly sunny, with a high near 88.
Saturday Night
Partly cloudy, with a low around 67.
Sunday
A 20 percent chance of showers. Partly sunny, with a high near 86.
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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:
11:32 am CDT Oct 19, 2026
Forecast Valid:
12pm CDT Oct 19, 2026-6pm CDT Oct 25, 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