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.

Mostly Cloudy

49°F

9°C

Humidity 74%
Wind Speed NW 5 mph
Barometer 30.39 in (1027.9 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 18 Oct 1:51 am CDT
Extended Forecast for

San Antonio International Airport TX

  • Overnight

    Overnight: Partly cloudy, with a low around 51. North wind around 10 mph.

    Low: 51 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. North wind 5 to 10 mph becoming east in the morning.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph.

    Low: 55 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 76. North northeast wind 5 to 10 mph becoming east in the afternoon.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Northeast wind 5 to 10 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 82. East wind around 10 mph.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 60. Northeast wind around 5 mph.

    Low: 60 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 85. East wind 5 to 10 mph.

    High: 85 °F

    Sunny

  • Wednesday Night

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

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 51. North wind around 10 mph.
Sunday
Mostly sunny, with a high near 73. North wind 5 to 10 mph becoming east in the morning.
Sunday Night
Partly cloudy, with a low around 55. Northeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 76. North northeast wind 5 to 10 mph becoming east in the afternoon.
Monday Night
Partly cloudy, with a low around 59. Northeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 82. East wind around 10 mph.
Tuesday Night
Mostly clear, with a low around 60. Northeast wind around 5 mph.
Wednesday
Sunny, with a high near 85. East wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 61. East wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 64.
Saturday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.55°N 98.48°W (Elev. 797 ft)
Last Update:
1:24 am CDT Oct 18, 2026
Forecast Valid:
2am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

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Chance of Precipitation