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

53°F

12°C

Humidity 64%
Wind Speed NW 3 mph
Barometer 30.41 in (1028.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 17 Oct 11:51 pm CDT
Extended Forecast for

San Antonio International Airport TX

  • Overnight

    Overnight: Mostly clear, with a low around 47. North wind 5 to 10 mph.

    Low: 47 °F

    Mostly Clear

  • Sunday

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

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. Calm wind becoming northeast around 5 mph after midnight.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 77. North northeast wind around 5 mph becoming east in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. East wind around 5 mph becoming calm.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83. East wind around 5 mph.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. East wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Wednesday

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

    High: 85 °F

    Mostly 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
Mostly clear, with a low around 47. North wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 73. North wind 5 to 10 mph becoming east in the afternoon.
Sunday Night
Partly cloudy, with a low around 53. Calm wind becoming northeast around 5 mph after midnight.
Monday
Mostly sunny, with a high near 77. North northeast wind around 5 mph becoming east in the afternoon.
Monday Night
Partly cloudy, with a low around 59. East wind around 5 mph becoming calm.
Tuesday
Sunny, with a high near 83. East wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 61. East wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 85. East wind around 5 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 88.
Thursday Night
Mostly clear, with a low around 62.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Partly sunny, with a high near 88.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio International Airport TX
 29.53°N 98.45°W (Elev. 771 ft)
Last Update:
11:32 pm CDT Oct 17, 2026
Forecast Valid:
12am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
 
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Additional Resources

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