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

Rapid Warm-Up Forecast Across Much of the Lower 48 Today and Tuesday

Most of the U.S. starts the week calm and unseasonably warm. The Heartland will be warmest, with highs 25–30° above average. Only the Gulf Coast stays chilly. Rain today is limited to western Washington while lake effect snow continues east of Lake Ontario. Cooler air returns after Tuesday, bringing a wintry mix to the Midwest and Northeast by Wednesday. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Mostly Cloudy

59°F

15°C

Humidity 36%
Wind Speed N 5 mph
Barometer 30.35 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 12 Jan 5:55 pm CST
Extended Forecast for

7 Miles SE Port Lavaca TX

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers before 11am. Partly sunny, with a high near 60. Calm wind becoming north northwest around 6 mph.

    High: 60 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49. Calm wind becoming west around 6 mph after midnight.

    Low: 49 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 71. West wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 71 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 44. North wind around 11 mph.

    Low: 44 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 5 to 11 mph becoming east northeast in the afternoon.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 47. Light and variable wind becoming south around 5 mph after midnight.

    Low: 47 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 68. South southwest wind 5 to 10 mph.

    High: 68 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 49. South southeast wind 5 to 9 mph becoming north northeast after midnight.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of showers after 4am. Mostly cloudy, with a low around 50. Calm wind.
Tuesday
A 20 percent chance of showers before 11am. Partly sunny, with a high near 60. Calm wind becoming north northwest around 6 mph.
Tuesday Night
Partly cloudy, with a low around 49. Calm wind becoming west around 6 mph after midnight.
Wednesday
Sunny, with a high near 71. West wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Clear, with a low around 44. North wind around 11 mph.
Thursday
Sunny, with a high near 60. North wind 5 to 11 mph becoming east northeast in the afternoon.
Thursday Night
Clear, with a low around 47. Light and variable wind becoming south around 5 mph after midnight.
Friday
Sunny, with a high near 68. South southwest wind 5 to 10 mph.
Friday Night
Partly cloudy, with a low around 49. South southeast wind 5 to 9 mph becoming north northeast after midnight.
Saturday
Sunny, with a high near 64.
Saturday Night
Mostly clear, with a low around 47.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 48.
M.L.King Day
Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SE Port Lavaca TX
 28.56°N 96.53°W
Last Update:
11:26 am CST Jan 12, 2026
Forecast Valid:
6pm CST Jan 12, 2026-6pm CST Jan 19, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation