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.

Overcast

73°F

23°C

Humidity 100%
Wind Speed NE 7 mph
Barometer 30.24 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Last update 24 Dec 12:35 pm CST
Extended Forecast for

Port Lavaca TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 77. Southeast wind 7 to 9 mph.

    High: 77 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy dense fog after 7pm. Otherwise, mostly cloudy, with a low around 65. Southeast wind around 6 mph becoming calm after midnight.

    Low: 65 °F

    Patchy Dense
    Fog

  • Christmas Day

    Christmas Day: Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming southeast 5 to 8 mph in the morning.

    High: 77 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 66. South wind around 6 mph.

    Low: 66 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 79. South wind 5 to 10 mph.

    High: 79 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 66. South wind around 8 mph.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 78. South wind 6 to 13 mph.

    High: 78 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. South southeast wind 7 to 9 mph.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 78. South wind 6 to 10 mph.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 77. Southeast wind 7 to 9 mph.
Tonight
Patchy dense fog after 7pm. Otherwise, mostly cloudy, with a low around 65. Southeast wind around 6 mph becoming calm after midnight.
Christmas Day
Areas of dense fog before 11am. Otherwise, mostly sunny, with a high near 77. Calm wind becoming southeast 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 66. South wind around 6 mph.
Friday
Partly sunny, with a high near 79. South wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 66. South wind around 8 mph.
Saturday
Mostly sunny, with a high near 78. South wind 6 to 13 mph.
Saturday Night
Partly cloudy, with a low around 65. South southeast wind 7 to 9 mph.
Sunday
Mostly sunny, with a high near 78. South wind 6 to 10 mph.
Sunday Night
A 30 percent chance of showers after midnight. Mostly cloudy, with a low around 49.
Monday
Mostly cloudy, with a high near 58.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 54.
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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:
11:26 am CST Dec 24, 2025
Forecast Valid:
1pm CST Dec 24, 2025-6pm CST Dec 30, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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