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

78°F

26°C

Humidity 45%
Wind Speed NE 7 mph
Barometer 30.02 in (1014.8 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 7 Oct 9:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: Sunny, with a high near 89. Northeast wind around 5 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 70. North northeast wind 5 to 10 mph.

    Low: 70 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 89. East northeast wind 5 to 10 mph.

    High: 89 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 71. East northeast wind around 5 mph.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 88. East northeast wind 5 to 10 mph.

    High: 88 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 69. Northeast wind around 5 mph.

    Low: 69 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 88. North northeast wind 5 to 10 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. East northeast wind around 5 mph becoming calm in the evening.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 90. Northeast wind around 5 mph becoming south southeast in the afternoon.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 89. Northeast wind around 5 mph.
Tonight
Clear, with a low around 70. North northeast wind 5 to 10 mph.
Thursday
Sunny, with a high near 89. East northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 71. East northeast wind around 5 mph.
Friday
Sunny, with a high near 88. East northeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 69. Northeast wind around 5 mph.
Saturday
Sunny, with a high near 88. North northeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 69. East northeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 90. Northeast wind around 5 mph becoming south southeast in the afternoon.
Sunday Night
Partly cloudy, with a low around 74.
Columbus Day
A 20 percent chance of showers. Partly sunny, with a high near 90.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 75.
Tuesday
A 20 percent chance of showers. Partly sunny, with a high near 90.
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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:
6:42 am CDT Oct 7, 2026
Forecast Valid:
9am CDT Oct 7, 2026-6pm CDT Oct 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation