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

95°F

35°C

Humidity 39%
Wind Speed NE 7 mph
Barometer 29.86 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index98°F (37°C)
Last update 28 Sep 2:35 pm CDT
Extended Forecast for

Atascosa TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 95. East southeast wind 5 to 10 mph.

    High: 95 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A slight chance of showers between 10am and 1pm. Partly sunny, with a high near 94. Heat index values as high as 100. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 94 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 76. Southeast wind around 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 96. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 96 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 75. Southeast wind around 15 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Thursday

    Thursday: Showers and possibly a thunderstorm. High near 88. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 88 °F

    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%.

    Low: 72 °F

    Heavy Rain

  • Friday

    Friday: Showers and possibly a thunderstorm. High near 81. Northeast wind around 5 mph. Chance of precipitation is 80%.

    High: 81 °F

    Showers

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 95. East southeast wind 5 to 10 mph.
Tonight
Mostly cloudy, with a low around 75. Southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday
A slight chance of showers between 10am and 1pm. Partly sunny, with a high near 94. Heat index values as high as 100. Southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Tuesday Night
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 76. Southeast wind around 15 mph, with gusts as high as 25 mph.
Wednesday
A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 96. South southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 75. Southeast wind around 15 mph, with gusts as high as 30 mph.
Thursday
Showers and possibly a thunderstorm. High near 88. South southeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. Low around 72. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%.
Friday
Showers and possibly a thunderstorm. High near 81. Northeast wind around 5 mph. Chance of precipitation is 80%.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 69.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
Atascosa TX
 29.29°N 98.74°W (Elev. 650 ft)
Last Update:
1:38 pm CDT Sep 28, 2026
Forecast Valid:
2pm CDT Sep 28, 2026-6pm CDT Oct 4, 2026
 
Forecast Discussion
 
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Additional Resources

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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