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

64°F

18°C

Humidity 87%
Wind Speed SE 9 mph
Barometer 29.69 in (1004.0 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 18 Feb 11:51 pm CST
Extended Forecast for

San Antonio TX

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, increasing clouds, with a low around 64. Southeast wind around 5 mph becoming calm after midnight.

    Low: 64 °F

    Patchy Fog

  • Thursday

    Thursday: Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Thursday Night

    Thursday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 61. East wind around 5 mph.

    Low: 61 °F

    Mostly Clear
    then Patchy
    Fog

  • Friday

    Friday: Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 80 °F

    Patchy Fog
    then Partly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 61. East southeast wind around 5 mph becoming north after midnight.

    Low: 61 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 79. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 79 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 46. North northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. Northeast wind 5 to 10 mph.

    Low: 42 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, increasing clouds, with a low around 64. Southeast wind around 5 mph becoming calm after midnight.
Thursday
Patchy fog before 9am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 61. East wind around 5 mph.
Friday
Patchy fog before 10am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 80. Northeast wind around 5 mph becoming southeast in the afternoon.
Friday Night
Partly cloudy, with a low around 61. East southeast wind around 5 mph becoming north after midnight.
Saturday
Mostly sunny, with a high near 79. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Mostly clear, with a low around 46. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 66. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 42. Northeast wind 5 to 10 mph.
Monday
Sunny, with a high near 66.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 84.
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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:
11:56 pm CST Feb 18, 2026
Forecast Valid:
11pm CST Feb 18, 2026-6pm CST Feb 25, 2026
 
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