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

Hurricane Erin Moving Away from the North Carolina Coast, Dangerous Surf & Rip Currents Continue; Hazardous Heat out West

Tropical storm conditions, storm surge flooding and coastal flooding continue today across the Outer Banks and portions of the Mid-Atlantic coast. Life-threatening rip currents and high surf continue to impact much of the East Coast through the end of the week. Hazardous, record heat will continue across the Western U.S. through the weekend. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

Mostly Cloudy

82°F

28°C

Humidity 67%
Wind Speed NW 5 mph
Barometer 29.98 in (1013.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 21 Aug 9:51 am CDT
Extended Forecast for

Alamo Heights TX

  • Today

    Today: Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 91. North wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Chance
    Showers then
    T-storms
    Likely

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 76. East northeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 93. North northwest wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 93 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 75. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 94. East northeast wind around 5 mph. Chance of precipitation is 30%.

    High: 94 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. East wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. North northwest wind around 5 mph becoming east in the afternoon.

    High: 96 °F

    Sunny

  • Sunday Night

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

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 96. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 96 °F

    Sunny

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 91. North wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Partly cloudy, with a low around 76. East northeast wind around 5 mph becoming calm in the evening.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 93. North northwest wind around 5 mph becoming northeast in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 4am, then a slight chance of showers. Partly cloudy, with a low around 75. East northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Mostly sunny, with a high near 94. East northeast wind around 5 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 74. East wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 96. North northwest wind around 5 mph becoming east in the afternoon.
Sunday Night
Mostly clear, with a low around 75. East southeast wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 96. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Monday Night
Mostly clear, with a low around 76.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 96.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 75.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alamo Heights TX
 29.48°N 98.45°W (Elev. 797 ft)
Last Update:
9:44 am CDT Aug 21, 2025
Forecast Valid:
9am CDT Aug 21, 2025-6pm CDT Aug 27, 2025
 
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