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

55°F

13°C

Humidity 53%
Wind Speed NE 5 mph
Barometer 30.48 in
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 12 Jan 10:15 am CST
Extended Forecast for

7 Miles SE Port Lavaca TX

  • Today

    Today: Mostly sunny, with a high near 63. Northeast wind 6 to 8 mph.

    High: 63 °F

    Mostly Sunny

  • Tonight

    Tonight: A slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 20%.

    Low: 51 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: Partly sunny, with a high near 62. Calm wind becoming north northwest around 6 mph.

    High: 62 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 48. Calm wind becoming west around 6 mph after midnight.

    Low: 48 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 70. West wind 6 to 15 mph becoming north in the afternoon. Winds could gust as high as 21 mph.

    High: 70 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 43. North wind around 11 mph.

    Low: 43 °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

Detailed Forecast

Today
Mostly sunny, with a high near 63. Northeast wind 6 to 8 mph.
Tonight
A slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 51. Calm wind. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 62. Calm wind becoming north northwest around 6 mph.
Tuesday Night
Mostly clear, with a low around 48. Calm wind becoming west around 6 mph after midnight.
Wednesday
Sunny, with a high near 70. 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 43. 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 46.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Mostly clear, with a low around 44.
Sunday
Sunny, with a high near 64.
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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:
9:46 am CST Jan 12, 2026
Forecast Valid:
10am CST Jan 12, 2026-6pm CST Jan 18, 2026
 
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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