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

68°F

20°C

Humidity 81%
Wind Speed SE 14 mph
Barometer 30.12 in (1018.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 30 Mar 12:51 am CDT
Extended Forecast for

San Antonio TX

  • Overnight

    Overnight: Partly cloudy early, then becoming cloudy, with a low around 66. South wind around 10 mph.

    Low: 66 °F

    Becoming
    Cloudy

  • Monday

    Monday: Cloudy through mid morning, then gradual clearing, with a high near 88. South wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 88 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 66 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Partly sunny, with a high near 90. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 90 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 92 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. South southeast wind 5 to 10 mph.

    High: 87 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 68. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 68 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy early, then becoming cloudy, with a low around 66. South wind around 10 mph.
Monday
Cloudy through mid morning, then gradual clearing, with a high near 88. South wind 5 to 15 mph, with gusts as high as 20 mph.
Monday Night
Increasing clouds, with a low around 66. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Partly sunny, with a high near 90. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 69. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
Partly sunny, with a high near 92. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 68. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 87. South southeast wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 68. Southeast wind around 10 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy, with a high near 88.
Friday Night
Mostly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 72.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
12:44 am CDT Mar 30, 2026
Forecast Valid:
1am CDT Mar 30, 2026-6pm CDT Apr 5, 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