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

82°F

28°C

Humidity 55%
Wind Speed NE 9 mph
Barometer 30.02 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 2 Aug 8:15 pm CDT
Extended Forecast for

Castroville TX

  • Tonight

    Tonight: Partly cloudy, with a low around 76. Northeast wind around 5 mph becoming calm in the evening.

    Low: 76 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 101. Heat index values as high as 106. Calm wind becoming south around 5 mph in the afternoon.

    High: 101 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Southeast wind around 5 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Heat index values as high as 105. Southeast wind around 5 mph.

    High: 100 °F

    Sunny then
    Slight Chance
    T-storms

  • Monday Night

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

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 98. East southeast wind around 5 mph.

    High: 98 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 73. Southeast wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 98 °F

    Sunny

  • Wednesday Night

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

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 76. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Sunny and hot, with a high near 101. Heat index values as high as 106. Calm wind becoming south around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 76. Southeast wind around 5 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 100. Heat index values as high as 105. Southeast wind around 5 mph.
Monday Night
Mostly clear, with a low around 75. East wind 5 to 10 mph.
Tuesday
Sunny, with a high near 98. East southeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 73. Southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 98. Calm wind becoming southeast around 5 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 74. Southeast wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 99.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny and hot, with a high near 99.
Friday Night
Mostly clear, with a low around 74.
Saturday
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 98.87°W (Elev. 787 ft)
Last Update:
6:42 pm CDT Aug 2, 2025
Forecast Valid:
8pm CDT Aug 2, 2025-6pm CDT Aug 9, 2025
 
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