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Hurricane Isaias to Approach the Northern Gulf Coast on Friday

Isaias is expected to approach the northern Gulf Coast as a strong hurricane on Friday, bringing life-threatening storm surge, damaging winds, heavy rain, and severe thunderstorms across the region and Southeast into the weekend, with risks of flooding and tornadoes. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair

87°F

31°C

Humidity 63%
Wind Speed NE 8 mph
Barometer 29.94 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index94°F (34°C)
Last update 8 Oct 11:35 am CDT
Extended Forecast for

Port Lavaca TX

  • Today

    Today: Sunny, with a high near 90. Heat index values as high as 96. East northeast wind around 11 mph.

    High: 90 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 71. East southeast wind 5 to 9 mph becoming calm.

    Low: 71 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 90. Heat index values as high as 93. North northeast wind 8 to 11 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. East northeast wind 5 to 7 mph becoming calm.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 89. North wind 6 to 8 mph.

    High: 89 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 73. Southeast wind around 6 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88. Light east southeast wind becoming southeast 6 to 11 mph in the morning.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Southeast wind 5 to 10 mph becoming light after midnight.

    Low: 76 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 88. Southeast wind 5 to 13 mph.

    High: 88 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 90. Heat index values as high as 96. East northeast wind around 11 mph.
Tonight
Clear, with a low around 71. East southeast wind 5 to 9 mph becoming calm.
Friday
Sunny, with a high near 90. Heat index values as high as 93. North northeast wind 8 to 11 mph.
Friday Night
Mostly clear, with a low around 70. East northeast wind 5 to 7 mph becoming calm.
Saturday
Sunny, with a high near 89. North wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 73. Southeast wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 88. Light east southeast wind becoming southeast 6 to 11 mph in the morning.
Sunday Night
Mostly clear, with a low around 76. Southeast wind 5 to 10 mph becoming light after midnight.
Columbus Day
Mostly sunny, with a high near 88. Southeast wind 5 to 13 mph.
Monday Night
Mostly clear, with a low around 78.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 78.
Wednesday
Mostly sunny, with a high near 88.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.6°N 96.64°W
Last Update:
10:26 am CDT Oct 8, 2026
Forecast Valid:
11am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
Forecast Discussion
 
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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