Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

A Few Clouds

90°F

32°C

Humidity 47%
Wind Speed Calm
Barometer 30.00 in (1014.1 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 20 Aug 11:51 am CDT
Extended Forecast for

2 Miles WNW San Antonio International Airport TX

  • This Afternoon

    This Afternoon: Sunny, with a high near 98. Heat index values as high as 104. East northeast wind around 5 mph.

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Scattered showers and thunderstorms.  Partly cloudy, with a low around 77. North northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 77 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Thursday

    Thursday: Scattered showers before 10am, then scattered showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 97. Heat index values as high as 103. North wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 97 °F

    Scattered
    Showers then
    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Partly cloudy, with a low around 76. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 76 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly sunny, with a high near 95. East northeast wind around 5 mph.  Chance of precipitation is 40%.

    High: 95 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am.  Mostly clear, with a low around 75. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 95. Calm wind becoming east northeast around 5 mph in the afternoon.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. East wind around 5 mph becoming calm  in the evening.

    Low: 75 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 97. Calm wind becoming east around 5 mph in the afternoon.

    High: 97 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 98. Heat index values as high as 104. East northeast wind around 5 mph.
Tonight
Scattered showers and thunderstorms. Partly cloudy, with a low around 77. North northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Thursday
Scattered showers before 10am, then scattered showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 97. Heat index values as high as 103. North wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. East northeast wind around 5 mph. Chance of precipitation is 40%.
Friday Night
A chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly clear, with a low around 75. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Calm wind becoming east northeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 75. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 97. Calm wind becoming east around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 75.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 97.
Monday Night
Partly cloudy, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW San Antonio International Airport TX
 29.55°N 98.51°W (Elev. 889 ft)
12:02 pm CDT Aug 20, 2025
12pm CDT Aug 20, 2025-6pm CDT Aug 26, 2025
 
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Additional Resources

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