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

88°F

31°C

Humidity 55%
Wind Speed Vrbl 5 mph
Barometer 29.99 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 20 Sep 11:35 am CDT
Extended Forecast for

Castroville TX

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 96. Southeast wind around 5 mph.

    High: 96 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Southeast wind around 5 mph.

    Low: 74 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 97. Calm wind becoming east southeast around 5 mph in the afternoon.

    High: 97 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 73. East wind around 5 mph becoming calm after midnight.

    Low: 73 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 97. East wind 5 to 10 mph.

    High: 97 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 74. East southeast wind 5 to 10 mph becoming light after midnight.

    Low: 74 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 97. North northeast wind 5 to 10 mph becoming east in the afternoon.

    High: 97 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 74. East southeast wind 5 to 10 mph.

    Low: 74 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 97. East wind 5 to 10 mph.

    High: 97 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 96. Southeast wind around 5 mph.
Tonight
Partly cloudy, with a low around 74. Southeast wind around 5 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 97. Calm wind becoming east southeast around 5 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 73. East wind around 5 mph becoming calm after midnight.
Tuesday
Mostly sunny, with a high near 97. East wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 74. East southeast wind 5 to 10 mph becoming light after midnight.
Wednesday
Mostly sunny, with a high near 97. North northeast wind 5 to 10 mph becoming east in the afternoon.
Wednesday Night
Partly cloudy, with a low around 74. East southeast wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 97. East wind 5 to 10 mph.
Thursday Night
Partly cloudy, with a low around 74.
Friday
Mostly sunny, with a high near 96.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Mostly sunny, with a high near 96.
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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:
11:34 am CDT Sep 20, 2026
Forecast Valid:
12pm CDT Sep 20, 2026-6pm CDT Sep 26, 2026
 
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