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

84°F

29°C

Humidity 66%
Wind Speed S 9 mph
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Sep 11:15 am CDT
Extended Forecast for

Castroville TX

  • Today

    Today: Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 73. South southeast wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 96. Heat index values as high as 101. South southeast wind 5 to 10 mph.

    High: 96 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Southeast wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

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

    High: 97 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 1am. Mostly clear, with a low around 74. Southeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. South southeast wind around 5 mph. Chance of precipitation is 50%.

    High: 95 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. East northeast wind 5 to 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. North northeast wind 5 to 10 mph.

    High: 89 °F

    Chance
    T-storms

Detailed Forecast

Today
Mostly sunny, with a high near 95. South southeast wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 73. South southeast wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 96. Heat index values as high as 101. South southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 73. Southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 97. South wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 74. Southeast wind 5 to 10 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. South southeast wind around 5 mph. Chance of precipitation is 50%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71. East northeast wind 5 to 10 mph.
Thursday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89. North northeast wind 5 to 10 mph.
Thursday Night
A 20 percent chance of showers. Mostly clear, with a low around 67.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 91.
Friday Night
A 20 percent chance of showers. Mostly clear, with a low around 67.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castroville TX
 29.36°N 98.87°W (Elev. 787 ft)
Last Update:
6:50 am CDT Sep 21, 2025
Forecast Valid:
11am CDT Sep 21, 2025-6pm CDT Sep 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