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

79°F

26°C

Humidity 79%
Wind Speed E 3 mph
Barometer 29.88 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 22 Sep 2:55 am CDT
Extended Forecast for

Castroville TX

  • Overnight

    Overnight: Partly cloudy, with a low around 73. Southeast wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Monday

    Monday: Mostly cloudy, then gradually becoming sunny, with a high near 97. Heat index values as high as 100. South southeast wind 5 to 10 mph.

    High: 97 °F

    Decreasing
    Clouds

  • Monday Night

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

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 97. Heat index values as high as 102. South wind 5 to 10 mph.

    High: 97 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Southeast wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 50%.

    High: 95 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. North northeast wind 5 to 10 mph.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. North northeast wind around 5 mph. Chance of precipitation is 30%.

    High: 90 °F

    Chance
    Showers

  • Thursday Night

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

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. Southeast wind around 5 mph.
Monday
Mostly cloudy, then gradually becoming sunny, with a high near 97. Heat index values as high as 100. South southeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 74. Southeast wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 97. Heat index values as high as 102. South wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 95. Southeast wind around 5 mph becoming north northeast in the afternoon. Chance of precipitation is 50%.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70. North northeast wind 5 to 10 mph.
Thursday
A chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. North northeast wind around 5 mph. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 66. Northeast wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 68.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 92.
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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:
1:44 am CDT Sep 22, 2025
Forecast Valid:
3am CDT Sep 22, 2025-6pm CDT Sep 28, 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