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.

Mostly Cloudy

84°F

29°C

Humidity 55%
Wind Speed SE 10 mph
Barometer 29.90 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 15 Apr 4:15 pm CDT
Extended Forecast for

5 Miles SW Helotes TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. South wind around 10 mph.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 7pm. Increasing clouds, with a low around 66. South southeast wind 5 to 10 mph.

    Low: 66 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 88. South southeast wind 5 to 10 mph.

    High: 88 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 66. South southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Increasing
    Clouds

  • Friday

    Friday: Partly sunny, with a high near 90. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 90 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 65. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.

    Low: 65 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Southeast wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph.

    High: 77 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North northeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 53 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 68. Northeast wind around 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 84. South wind around 10 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 7pm. Increasing clouds, with a low around 66. South southeast wind 5 to 10 mph.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 88. South southeast wind 5 to 10 mph.
Thursday Night
Increasing clouds, with a low around 66. South southeast wind around 10 mph, with gusts as high as 20 mph.
Friday
Partly sunny, with a high near 90. South southeast wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 65. South southeast wind 5 to 15 mph, with gusts as high as 20 mph.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77. Southeast wind 5 to 15 mph becoming north northeast in the afternoon. Winds could gust as high as 25 mph.
Saturday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53. North northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday
A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 68. Northeast wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Monday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 75.
Tuesday Night
Mostly cloudy, with a low around 62.
Wednesday
Mostly cloudy, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Helotes TX
 29.52°N 98.74°W (Elev. 948 ft)
Last Update:
2:48 pm CDT Apr 15, 2026
Forecast Valid:
4pm CDT Apr 15, 2026-6pm CDT Apr 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation