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.

Partly Cloudy

75°F

24°C

Humidity 100%
Wind Speed E 5 mph
Barometer 30.05 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Last update 10 Aug 6:35 am CDT
Extended Forecast for

Castroville TX

  • Today

    Today: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 98. Heat index values as high as 104. South southeast wind 5 to 10 mph.

    High: 98 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 77. Southeast wind around 10 mph.

    Low: 77 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny and hot, with a high near 100. Heat index values as high as 104. South southeast wind 5 to 15 mph.

    High: 100 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 101. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny and hot, with a high near 101. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 101 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny and hot, with a high near 100. South southeast wind 5 to 10 mph.

    High: 100 °F

    Hot

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 98. Heat index values as high as 104. South southeast wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 77. Southeast wind around 10 mph.
Tuesday
Mostly sunny and hot, with a high near 100. Heat index values as high as 104. South southeast wind 5 to 15 mph.
Tuesday Night
Mostly clear, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Wednesday
Sunny and hot, with a high near 101. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny and hot, with a high near 101. South southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 76. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday
Mostly sunny and hot, with a high near 100. South southeast wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 76.
Saturday
Mostly sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Mostly sunny and hot, with a high near 99.
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ABOUT THIS FORECAST

 
Point Forecast:
Castroville TX
 29.34°N 98.84°W (Elev. 735 ft)
Last Update:
6:42 am CDT Aug 10, 2026
Forecast Valid:
6am CDT Aug 10, 2026-6pm CDT Aug 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation