October Heat Wave in California; Tropical Cyclone Possible in the Gulf

Much higher than typical October temperatures will continue across coastal southern California up through the Bay Area and Central Valley through midweek resulting in result in Major to Extreme HeatRisk. A tropical depression is likely to form over the Gulf of America during the middle part of this week with further strengthening possible as it moves northeastward later this week. Read More >

Current conditions at

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fog/Mist

77°F

25°C

Humidity 96%
Wind Speed N 6 mph
Barometer 29.98 in
Dewpoint 76°F (24°C)
Visibility 6.00 mi
Heat Index78°F (26°C)
Last update 5 Oct 10:55 pm CDT
Extended Forecast for

Port Lavaca TX

  • Tonight

    Tonight: Partly cloudy, with a low around 72. North northeast wind 7 to 9 mph.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89. Heat index values as high as 97. North northeast wind around 11 mph, with gusts as high as 18 mph.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 72. North northeast wind 5 to 8 mph.

    Low: 72 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 89. Heat index values as high as 98. North wind around 10 mph.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. East wind 5 to 8 mph becoming light and variable.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 89. North northeast wind 8 to 13 mph, with gusts as high as 18 mph.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 73. East northeast wind 5 to 9 mph becoming light northeast.

    Low: 73 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of showers after 1pm.  Mostly sunny, with a high near 87. Northeast wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 87 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. North wind 3 to 8 mph.

    Low: 72 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 72. North northeast wind 7 to 9 mph.
Tuesday
Sunny, with a high near 89. Heat index values as high as 97. North northeast wind around 11 mph, with gusts as high as 18 mph.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 72. North northeast wind 5 to 8 mph.
Wednesday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Heat index values as high as 98. North wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 72. East wind 5 to 8 mph becoming light and variable.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. North northeast wind 8 to 13 mph, with gusts as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 73. East northeast wind 5 to 9 mph becoming light northeast.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 87. Northeast wind 10 to 13 mph, with gusts as high as 18 mph.
Friday Night
Partly cloudy, with a low around 72. North wind 3 to 8 mph.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 87.
Saturday Night
Partly cloudy, with a low around 73.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 75.
Columbus Day
A 30 percent chance of showers. Mostly sunny, with a high near 87.
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ABOUT THIS FORECAST

 
Point Forecast:
Port Lavaca TX
 28.62°N 96.64°W
10:46 pm CDT Oct 5, 2026
11pm CDT Oct 5, 2026-6pm CDT Oct 12, 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