Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Severe Thunderstorms and Excessive Rain Possible From the Central and Southern Plains into the South and From the Ohio Valley To Mid-Atlantic; Heat and Critical Fire Weather Builds in the Southwest Quad of the Country

Multiple locations of severe thunderstorms and locally intense excessive rain will be possible east of the Rockies. The two main corridors appear to be the Central High Plains through Southern Plains into the South and the other path is from the Ohio Valley into Mid-Atlantic. Meanwhile, excessive heat and critical fire weather threats will build throughout the weekend in CA and the Southwest. Read More >

Current conditions at

San Antonio, San Antonio International Airport (KSAT)

Lat: 29.53°NLon: 98.46°WElev: 807ft.

A Few Clouds

87°F

31°C

Humidity 57%
Wind Speed S 13 mph
Barometer 29.86 in (1009.3 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 23 Jun 10:51 am CDT
Extended Forecast for

San Antonio TX

  • Today

    Today: Sunny and hot, with a high near 100. Heat index values as high as 105. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Hot

    High: 100 °F

  • Tonight

    Tonight: Increasing clouds, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Increasing
    Clouds

    Low: 77 °F

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 98. Heat index values as high as 105. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Hot

    High: 98 °F

  • Sunday
    Night

    Sunday Night: Increasing clouds, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Increasing
    Clouds

    Low: 77 °F

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 96. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Slight Chance
    T-storms

    High: 96 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Mostly Cloudy

    Low: 77 °F

  • Tuesday

    Tuesday: Partly sunny, with a high near 96. South southeast wind around 10 mph.

    Partly Sunny

    High: 96 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 76. South southeast wind 10 to 15 mph.

    Partly Cloudy

    Low: 76 °F

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 97. South wind 5 to 10 mph.

    Hot

    High: 97 °F

Detailed Forecast

Today
Sunny and hot, with a high near 100. Heat index values as high as 105. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 77. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny and hot, with a high near 98. Heat index values as high as 105. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Increasing clouds, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 96. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 77. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 96. South southeast wind around 10 mph.
Tuesday Night
Partly cloudy, with a low around 76. South southeast wind 10 to 15 mph.
Wednesday
Mostly sunny and hot, with a high near 97. South wind 5 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 76.
Thursday
Mostly sunny and hot, with a high near 97.
Thursday Night
Partly cloudy, with a low around 77.
Friday
Mostly sunny and hot, with a high near 97.
Click Map For Forecast
Point Forecast:
San Antonio TX
 29.46°N 98.53°W (Elev. 699 ft)
9:49 am CDT Jun 23, 2018
11am CDT Jun 23, 2018-6pm CDT Jun 29, 2018
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database