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

Castroville Municipal Airport (KCVB)

Lat: 29.34°NLon: 98.85°WElev: 771ft.

Mostly Cloudy

79°F

26°C

Humidity 89%
Wind Speed E 3 mph
Barometer 30.09 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 9 Sep 5:55 am CDT
Extended Forecast for

Atascosa TX

  • Today

    Today: Sunny, with a high near 98. Heat index values as high as 103. Calm wind becoming east southeast around 5 mph in the morning.

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. East southeast wind 5 to 10 mph becoming light after midnight.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 97. Heat index values as high as 101. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 75. Southeast wind around 5 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Sunny and hot, with a high near 99. Light southeast wind increasing to 5 to 10 mph in the afternoon.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph.

    High: 100 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 99. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 99 °F

    Hot

Detailed Forecast

Today
Sunny, with a high near 98. Heat index values as high as 103. Calm wind becoming east southeast around 5 mph in the morning.
Tonight
Mostly clear, with a low around 76. East southeast wind 5 to 10 mph becoming light after midnight.
Thursday
Sunny, with a high near 97. Heat index values as high as 101. Calm wind becoming south southeast around 5 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 75. Southeast wind around 5 mph.
Friday
Sunny and hot, with a high near 99. Light southeast wind increasing to 5 to 10 mph in the afternoon.
Friday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
Sunny and hot, with a high near 100. South southeast wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
Mostly sunny and hot, with a high near 99. South southeast wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 76.
Monday
Mostly sunny and hot, with a high near 99.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Mostly sunny and hot, with a high near 99.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Atascosa TX
 29.27°N 98.73°W (Elev. 646 ft)
Last Update:
5:32 am CDT Sep 9, 2026
Forecast Valid:
6am CDT Sep 9, 2026-6pm CDT Sep 15, 2026
 
Forecast Discussion
 
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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation