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

84°F

29°C

Humidity 70%
Wind Speed SE 8 mph
Barometer 29.96 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index90°F (32°C)
Last update 4 Aug 11:55 pm CDT
Extended Forecast for

Castroville TX

  • Overnight

    Overnight: Mostly clear, with a low around 76. East southeast wind 5 to 10 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 98. Heat index values as high as 105. South southeast wind 5 to 10 mph.

    High: 98 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing, with a high near 98. Heat index values as high as 106. South southeast wind 5 to 10 mph.

    High: 98 °F

    Becoming
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 97. South southeast wind around 5 mph.

    High: 97 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 96. East southeast wind around 5 mph.

    High: 96 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 76. East southeast wind 5 to 10 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 98. Heat index values as high as 105. South southeast wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 75. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday
Mostly cloudy through mid morning, then gradual clearing, with a high near 98. Heat index values as high as 106. South southeast wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly sunny, with a high near 97. South southeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.
Saturday
Mostly sunny, with a high near 96. East southeast wind around 5 mph.
Saturday Night
Mostly clear, with a low around 75. Southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 75.
Monday
Mostly sunny, with a high near 97.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Mostly sunny, with a high near 98.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Castroville TX
 29.36°N 98.89°W (Elev. 817 ft)
Last Update:
11:32 pm CDT Aug 4, 2026
Forecast Valid:
12am CDT Aug 5, 2026-6pm CDT Aug 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation