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

57°F

14°C

Humidity 72%
Wind Speed NW 7 mph
Barometer 30.18 in (1020.4 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Last update 21 Oct 2:51 am CDT
Extended Forecast for

San Antonio TX

  • Overnight

    Overnight: Mostly clear, with a low around 58. North wind around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84. North wind around 5 mph becoming east in the afternoon.

    High: 84 °F

    Sunny

  • Wednesday Night

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

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 85. East wind around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. East wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63. Southeast wind around 5 mph.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 84. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 64. East southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 64 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 58. North wind around 5 mph.
Wednesday
Sunny, with a high near 84. North wind around 5 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 63. East southeast wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 85. East wind around 5 mph.
Thursday Night
Mostly clear, with a low around 61. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 84. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 63. Southeast wind around 5 mph.
Saturday
Mostly sunny, with a high near 84. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 64. East southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 81.
Sunday Night
Mostly cloudy, with a low around 61.
Monday
Mostly sunny, with a high near 81.
Monday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 79.
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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:
2:46 am CDT Oct 21, 2026
Forecast Valid:
3am CDT Oct 21, 2026-6pm CDT Oct 27, 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