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.

Overcast

68°F

20°C

Humidity 94%
Wind Speed SE 7 mph
Barometer 30.10 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 10 Apr 1:15 am CDT
Extended Forecast for

6 Miles WSW Helotes TX

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly after 4am. Cloudy, with a low around 64. Southeast wind around 5 mph.

    Low: 64 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. East southeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 65. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 80. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 80 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Cloudy, with a low around 67. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 79. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.

    High: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. Southeast wind around 10 mph.

    Low: 68 °F

    Chance
    T-storms

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. South southeast wind around 10 mph, with gusts as high as 20 mph.

    High: 83 °F

    Cloudy then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 67 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly after 4am. Cloudy, with a low around 64. Southeast wind around 5 mph.
Friday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 79. East southeast wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers after 4am. Mostly cloudy, with a low around 65. East southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly after 7am. Mostly cloudy, with a high near 80. Southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Cloudy, with a low around 67. Southeast wind 10 to 15 mph, with gusts as high as 20 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 79. South southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68. Southeast wind around 10 mph.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 83. South southeast wind around 10 mph, with gusts as high as 20 mph.
Monday Night
A 20 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. Southeast wind around 10 mph, with gusts as high as 20 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 82.
Tuesday Night
Mostly cloudy, with a low around 67.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
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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:
1:24 am CDT Apr 10, 2026
Forecast Valid:
1am CDT Apr 10, 2026-6pm CDT Apr 16, 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