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.

Fair

90°F

32°C

Humidity 59%
Wind Speed SE 18 G 23 mph
Barometer 29.88 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index99°F (37°C)
Last update 23 Sep 9:35 pm CDT
Extended Forecast for

Castroville TX

  • Tonight

    Tonight: Mostly clear, with a low around 74. Southeast wind 5 to 10 mph.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 101. Southeast wind around 5 mph becoming north northwest in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 95 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then showers and thunderstorms likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 70. North northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 70 °F

    Showers
    Likely then
    T-storms
    Likely

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89. North northeast wind 5 to 10 mph.

    High: 89 °F

    Chance
    T-storms then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66. East northeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 91. East wind around 5 mph.

    High: 91 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 92. East northeast wind around 5 mph becoming southeast in the afternoon.

    High: 92 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. East southeast wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 74. Southeast wind 5 to 10 mph.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. Heat index values as high as 101. Southeast wind around 5 mph becoming north northwest in the afternoon. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then showers and thunderstorms likely between 1am and 4am, then showers likely and possibly a thunderstorm after 4am. Partly cloudy, with a low around 70. North northeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly sunny, with a high near 89. North northeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 66. East northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 91. East wind around 5 mph.
Friday Night
Mostly clear, with a low around 65. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 92. East northeast wind around 5 mph becoming southeast in the afternoon.
Saturday Night
Partly cloudy, with a low around 65. East southeast wind around 5 mph.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Mostly sunny, with a high near 89.
Monday Night
Mostly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 87.
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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 pm CDT Sep 23, 2025
Forecast Valid:
11pm CDT Sep 23, 2025-6pm CDT Sep 30, 2025
 
Forecast Discussion
 
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Additional Resources

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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