National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Partly Cloudy with Haze

93°F

34°C

Humidity 58%
Wind Speed SE 7 mph
Barometer 29.75 in (1005.3 mb)
Dewpoint 76°F (24°C)
Visibility 6.00 mi
Heat Index106°F (41°C)
Last update 26 May 3:51 pm CDT
Extended Forecast for

San Antonio TX

Excessive Heat Warning until May 27, 08:00pm
Click here for hazard details and duration
Excessive Heat Warning
  •  
    Excessive Heat Warning until May 27, 08:00pm

    NOW until 8:00pm Mon

    Excessive Heat Warning

  • This Afternoon

    High: 100 °F

    Hot

  • Tonight

    Tonight: Increasing clouds, with a low around 77. South southeast wind around 5 mph becoming calm after midnight.

    Low: 77 °F

    Increasing
    Clouds

  • Memorial Day

    Memorial Day: A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 103. Heat index values as high as 113. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 103 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Increasing clouds, with a low around 76. East southeast wind 5 to 10 mph.

    Low: 76 °F

    Slight Chance
    T-storms

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 96. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 96 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 75. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 95 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 76. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 100. Heat index values as high as 112. South southeast wind around 5 mph.
Tonight
Increasing clouds, with a low around 77. South southeast wind around 5 mph becoming calm after midnight.
Memorial Day
A 20 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 103. Heat index values as high as 113. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Increasing clouds, with a low around 76. East southeast wind 5 to 10 mph.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 96. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 75. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 95. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
A 30 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 76. East southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
Partly sunny, with a high near 95. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 76.
Friday
Mostly sunny, with a high near 96.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 77.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
San Antonio TX
 29.46°N 98.5°W (Elev. 741 ft)
Last Update:
2:44 pm CDT May 26, 2024
Forecast Valid:
3pm CDT May 26, 2024-6pm CDT Jun 1, 2024
 
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