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

81°F

27°C

Humidity 74%
Wind Speed SE 10 mph
Barometer 30.05 in (1015.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 2 Jul 11:51 pm CDT
Extended Forecast for

San Antonio TX

  • Overnight

    Overnight: Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 94. Heat index values as high as 101. South southeast wind 5 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. South wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Independence Day

    Independence Day: Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 100. South wind around 5 mph.

    High: 95 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Calm wind becoming south southeast around 5 mph in the morning.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.

    Low: 76 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 95. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 95 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph.

    Low: 77 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 76. South southeast wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 94. Heat index values as high as 101. South southeast wind 5 to 10 mph.
Friday Night
Mostly clear, with a low around 76. South wind 5 to 10 mph.
Independence Day
Mostly cloudy, then gradually becoming sunny, with a high near 95. Heat index values as high as 100. South wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 95. Calm wind becoming south southeast around 5 mph in the morning.
Sunday Night
Partly cloudy, with a low around 76. Southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 95. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 77. South southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 96.
Tuesday Night
Partly cloudy, with a low around 77.
Wednesday
Sunny, with a high near 97.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
Sunny, with a high near 97.
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ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
11:42 pm CDT Jul 2, 2026
Forecast Valid:
12am CDT Jul 3, 2026-6pm CDT Jul 9, 2026
 
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Additional Resources

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Chance of Precipitation