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.

A Few Clouds

71°F

22°C

Humidity 41%
Wind Speed Vrbl 7 mph
Barometer 30.16 in (1020.0 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 2 May 1:51 pm CDT
Extended Forecast for

San Antonio TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. Northeast wind around 10 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 55. East northeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 79. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60. South southeast wind around 5 mph.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 89. South wind 5 to 10 mph.

    High: 89 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 74. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 74 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 91. South southeast wind around 5 mph becoming northwest in the afternoon.

    High: 91 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 75. Northeast wind around 10 mph.
Tonight
Mostly clear, with a low around 55. East northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 79. Calm wind becoming south southeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 60. South southeast wind around 5 mph.
Monday
Mostly sunny, with a high near 85. South wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 69. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Mostly cloudy, with a high near 89. South wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 74. Southeast wind around 10 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 91. South southeast wind around 5 mph becoming northwest in the afternoon.
Wednesday Night
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 64.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.44°N 98.5°W (Elev. 650 ft)
Last Update:
2:44 pm CDT May 2, 2026
Forecast Valid:
2pm CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation