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.

Partly Cloudy

84°F

29°C

Humidity 83%
Wind Speed S 8 mph
Barometer 30.00 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 13 Jul 8:55 pm CDT
Extended Forecast for

Port Lavaca TX

  • Tonight

    Tonight: Mostly cloudy, with a low around 79. South wind 8 to 11 mph.

    Low: 79 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly between noon and 1pm. Mostly sunny, with a high near 91. Heat index values as high as 108. South wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 91 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 80. South southeast wind 8 to 13 mph, with gusts as high as 18 mph.

    Low: 80 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. Heat index values as high as 106. South southeast wind 7 to 15 mph, with gusts as high as 22 mph.

    High: 92 °F

    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 79. South southeast wind 9 to 15 mph, with gusts as high as 22 mph.

    Low: 79 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 92. South southeast wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 78. South southeast wind 8 to 15 mph, with gusts as high as 22 mph.

    Low: 78 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 92. South southeast wind 7 to 14 mph, with gusts as high as 21 mph.

    High: 92 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 78. South southeast wind 7 to 14 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 79. South wind 8 to 11 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly between noon and 1pm. Mostly sunny, with a high near 91. Heat index values as high as 108. South wind 7 to 15 mph, with gusts as high as 22 mph.
Monday Night
Partly cloudy, with a low around 80. South southeast wind 8 to 13 mph, with gusts as high as 18 mph.
Tuesday
A 20 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. Heat index values as high as 106. South southeast wind 7 to 15 mph, with gusts as high as 22 mph.
Tuesday Night
Partly cloudy, with a low around 79. South southeast wind 9 to 15 mph, with gusts as high as 22 mph.
Wednesday
Sunny, with a high near 92. South southeast wind 8 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
Mostly clear, with a low around 78. South southeast wind 8 to 15 mph, with gusts as high as 22 mph.
Thursday
Sunny, with a high near 92. South southeast wind 7 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Partly cloudy, with a low around 78. South southeast wind 7 to 14 mph, with gusts as high as 20 mph.
Friday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 79.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.
Saturday Night
Partly cloudy, with a low around 79.
Sunday
Mostly sunny, with a high near 93.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.64°W
Last Update:
3:21 pm CDT Jul 13, 2025
Forecast Valid:
9pm CDT Jul 13, 2025-6pm CDT Jul 20, 2025
 
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Additional Resources

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Chance of Precipitation