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

72°F

22°C

Humidity 88%
Wind Speed SE 5 mph
Barometer 29.81 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Apr 4:35 am CDT
Extended Forecast for

Castroville TX

  • Today

    Today: A 50 percent chance of showers and thunderstorms after 10am. Cloudy, with a high near 76. East southeast wind 5 to 10 mph becoming north northeast 15 to 20 mph in the morning. Winds could gust as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Cloudy, with a low around 53. North northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Sunday

    Sunday: A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 68. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 68 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday Night

    Sunday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. East wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 55 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 66. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 58. East wind 5 to 10 mph.

    Low: 58 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 74. East wind 5 to 10 mph. Chance of precipitation is 40%.

    High: 74 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63. East southeast wind 5 to 10 mph.

    Low: 63 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 82. Southeast wind 5 to 10 mph.

    High: 82 °F

    Mostly Cloudy

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms after 10am. Cloudy, with a high near 76. East southeast wind 5 to 10 mph becoming north northeast 15 to 20 mph in the morning. Winds could gust as high as 30 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Cloudy, with a low around 53. North northeast wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 10 percent chance of showers before 7am. Mostly cloudy, with a high near 68. Northeast wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 55. East wind 5 to 10 mph. Chance of precipitation is 30%.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Cloudy, with a high near 66. East northeast wind 5 to 10 mph. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 58. East wind 5 to 10 mph.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Cloudy, with a high near 74. East wind 5 to 10 mph. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63. East southeast wind 5 to 10 mph.
Wednesday
Mostly cloudy, with a high near 82. Southeast wind 5 to 10 mph.
Wednesday Night
Mostly cloudy, with a low around 67.
Thursday
Mostly cloudy, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
Mostly cloudy, with a high near 86.
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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:
4:26 am CDT Apr 18, 2026
Forecast Valid:
4am CDT Apr 18, 2026-6pm CDT Apr 24, 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