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.

Overcast

84°F

29°C

Humidity 74%
Wind Speed S 9 G 17 mph
Barometer 30.03 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 31 Jul 10:15 am CDT
Extended Forecast for

8 Miles W Castroville TX

  • Today

    Today: Sunny, with a high near 98. Heat index values as high as 103. South wind around 5 mph.

    High: 98 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 98. Heat index values as high as 104. Calm wind.

    High: 98 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East wind around 5 mph becoming north northeast in the evening. Chance of precipitation is 20%.

    Low: 77 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 98. North northeast wind around 5 mph becoming calm.

    High: 98 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. East wind around 5 mph becoming south after midnight.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 99. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

  • Monday Night

    Monday Night: Clear, with a low around 77. Southeast wind 5 to 10 mph.

    Low: 77 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98. Southeast wind 5 to 10 mph.

    High: 98 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 98. Heat index values as high as 103. South wind around 5 mph.
Tonight
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 4pm. Sunny, with a high near 98. Heat index values as high as 104. Calm wind.
Saturday Night
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 77. East wind around 5 mph becoming north northeast in the evening. Chance of precipitation is 20%.
Sunday
Mostly sunny, with a high near 98. North northeast wind around 5 mph becoming calm.
Sunday Night
Mostly clear, with a low around 77. East wind around 5 mph becoming south after midnight.
Monday
Sunny and hot, with a high near 99. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Clear, with a low around 77. Southeast wind 5 to 10 mph.
Tuesday
Sunny, with a high near 98. Southeast wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny, with a high near 96.
Wednesday Night
Mostly clear, with a low around 75.
Thursday
Mostly sunny, with a high near 95.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles W Castroville TX
 29.38°N 99°W (Elev. 948 ft)
Last Update:
6:42 am CDT Jul 31, 2026
Forecast Valid:
10am CDT Jul 31, 2026-6pm CDT Aug 6, 2026
 
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