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

77°F

25°C

Humidity 28%
Wind Speed E 8 mph
Barometer 29.99 in
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 7 Apr 4:55 pm CDT
Extended Forecast for

6 Miles WSW Helotes TX

  • Tonight

    Tonight: Partly cloudy, with a low around 53. East wind 5 to 10 mph.

    Low: 53 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Northeast wind around 5 mph becoming east southeast in the morning.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 60. Southeast wind around 5 mph.

    Low: 60 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph.

    High: 80 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph.

    Low: 63 °F

    Chance
    T-storms

  • Friday

    Friday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 78 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East southeast wind 5 to 10 mph.

    Low: 64 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 66. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. East wind 5 to 10 mph.
Wednesday
Mostly sunny, with a high near 79. Northeast wind around 5 mph becoming east southeast in the morning.
Wednesday Night
Mostly cloudy, with a low around 60. Southeast wind around 5 mph.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 80. Southeast wind 5 to 10 mph.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 63. Southeast wind 5 to 10 mph.
Friday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 78. East southeast wind 5 to 10 mph. Chance of precipitation is 60%.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. East southeast wind 5 to 10 mph.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 80. East southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 40 percent chance of showers and thunderstorms. Cloudy, with a low around 66. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Cloudy, with a high near 80.
Sunday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Monday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Helotes TX
 29.54°N 98.77°W (Elev. 1050 ft)
Last Update:
4:44 pm CDT Apr 7, 2026
Forecast Valid:
5pm CDT Apr 7, 2026-6pm CDT Apr 14, 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