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.

A Few Clouds

97°F

36°C

Humidity 37%
Wind Speed E 8 mph
Barometer 29.89 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index101°F (38°C)
Last update 6 Sep 3:15 pm CDT
Extended Forecast for

7 Miles SSW Helotes TX

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 95. Heat index values as high as 101. East wind around 5 mph.

    High: 95 °F

    Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Southeast wind around 5 mph.

    Low: 75 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 97. Heat index values as high as 100. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 97 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 75. South southeast wind around 5 mph.

    Low: 75 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 98. Southeast wind around 5 mph.

    High: 98 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.

    Low: 75 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 98. South southeast wind around 5 mph.

    High: 98 °F

    Sunny

  • Wednesday Night

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

    Low: 74 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 99. Calm wind becoming south southeast around 5 mph in the afternoon.

    High: 99 °F

    Hot

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 4pm. Mostly sunny, with a high near 95. Heat index values as high as 101. East wind around 5 mph.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Southeast wind around 5 mph.
Labor Day
Sunny, with a high near 97. Heat index values as high as 100. Calm wind becoming south southeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 75. South southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 98. Southeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 75. South southeast wind 5 to 10 mph.
Wednesday
Sunny, with a high near 98. South southeast wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 74. South southeast wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 99. Calm wind becoming south southeast around 5 mph in the afternoon.
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 and hot, with a high near 99.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SSW Helotes TX
 29.48°N 98.74°W (Elev. 997 ft)
Last Update:
2:46 pm CDT Sep 6, 2026
Forecast Valid:
3pm CDT Sep 6, 2026-6pm CDT Sep 12, 2026
 
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Additional Resources

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Chance of Precipitation