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

Hazardous Weather Conditions

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

A Few Clouds

80°F

27°C

Humidity 64%
Wind Speed S 12 mph
Barometer 29.92 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 28 Dec 3:55 pm CST
Extended Forecast for

Port Lavaca TX

Wind Advisory December 29, 12:00am until December 29, 06:00pm
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: A chance of showers between 11pm and 3am. Increasing clouds, with a low around 50. Windy, with a south southeast wind 6 to 11 mph becoming north 23 to 33 mph. Winds could gust as high as 39 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 50 °F

    Chance
    Showers and
    Windy

  • Monday

    Monday: Mostly cloudy, with a high near 53. Windy, with a north northeast wind 23 to 33 mph, with gusts as high as 39 mph.

    High: 53 °F

    Mostly Cloudy
    and Windy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. Breezy, with a north wind 23 to 25 mph.

    Low: 44 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. North wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. North wind 3 to 8 mph.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 51. South wind 3 to 7 mph.

    Low: 51 °F

    Partly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 68. Light southwest wind becoming south 6 to 11 mph in the morning.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 63. South wind 11 to 15 mph.

    Low: 63 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers between 11pm and 3am. Increasing clouds, with a low around 50. Windy, with a south southeast wind 6 to 11 mph becoming north 23 to 33 mph. Winds could gust as high as 39 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly cloudy, with a high near 53. Windy, with a north northeast wind 23 to 33 mph, with gusts as high as 39 mph.
Monday Night
Mostly cloudy, with a low around 44. Breezy, with a north wind 23 to 25 mph.
Tuesday
Mostly sunny, with a high near 53. North wind 17 to 22 mph decreasing to 9 to 14 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 43. North wind 3 to 8 mph.
Wednesday
Sunny, with a high near 60. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 51. South wind 3 to 7 mph.
New Year's Day
Partly sunny, with a high near 68. Light southwest wind becoming south 6 to 11 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 63. South wind 11 to 15 mph.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly clear, with a low around 62.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.61°W
Last Update:
1:16 pm CST Dec 28, 2025
Forecast Valid:
4pm CST Dec 28, 2025-6pm CST Jan 4, 2026
 
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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