National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

82°F

28°C

Humidity 91%
Wind Speed Calm
Barometer 29.96 in
Dewpoint 79°F (26°C)
Visibility 10.00 mi
Heat Index92°F (33°C)
Last update 27 Aug 11:35 pm CDT
Extended Forecast for

5 Miles ESE Vanderbilt TX

  • Tonight

    Tonight: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 79. Calm wind.

    Low: 79 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 97. Heat index values as high as 108. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 97 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Southeast wind 5 to 10 mph becoming light and variable in the evening.

    Low: 76 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 103. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76. Southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 78.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 79. Calm wind.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 97. Heat index values as high as 108. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Friday Night
A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 76. Southeast wind 5 to 10 mph becoming light and variable in the evening.
Saturday
Sunny, with a high near 96. Heat index values as high as 103. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Saturday Night
Clear, with a low around 76. Southeast wind 5 to 10 mph becoming light south after midnight.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny, with a high near 95.
Monday Night
Mostly clear, with a low around 78.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 94.
Wednesday Night
Mostly clear, with a low around 77.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles ESE Vanderbilt TX
 28.83°N 96.59°W (Elev. 7 ft)
Last Update:
11:46 pm CDT Aug 27, 2026
Forecast Valid:
11pm CDT Aug 27, 2026-6pm CDT Sep 3, 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