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

Port Lavaca - Calhoun County Airport (KPKV)

Lat: 28.65°NLon: 96.68°WElev: 27ft.

Fair with Haze

78°F

26°C

Humidity 47%
Wind Speed S 16 mph
Barometer 30.17 in
Dewpoint 56°F (13°C)
Visibility 0.75 mi
Heat Index79°F (26°C)
Last update 8 Feb 1:55 pm CST
Extended Forecast for

Port O Connor TX

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 69. South wind 6 to 8 mph.

    High: 69 °F

    Mostly Sunny

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, partly cloudy, with a low around 60. South wind around 7 mph.

    Low: 60 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. South southwest wind 6 to 10 mph.

    High: 70 °F

    Patchy Fog
    then Mostly
    Sunny

  • Monday Night

    Monday Night: Patchy fog between midnight and 1am. Otherwise, mostly cloudy, with a low around 61. South wind around 8 mph.

    Low: 61 °F

    Partly Cloudy
    then Patchy
    Fog

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 70. South southeast wind 7 to 11 mph.

    High: 70 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 61. Southeast wind 5 to 9 mph becoming light east southeast after midnight.

    Low: 61 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71. Southeast wind 3 to 8 mph.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 60. Southeast wind around 6 mph becoming calm after midnight.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 71. Calm wind becoming southeast 5 to 9 mph in the morning.

    High: 71 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 69. South wind 6 to 8 mph.
Tonight
Patchy fog after midnight. Otherwise, partly cloudy, with a low around 60. South wind around 7 mph.
Monday
Patchy fog before 10am. Otherwise, mostly sunny, with a high near 70. South southwest wind 6 to 10 mph.
Monday Night
Patchy fog between midnight and 1am. Otherwise, mostly cloudy, with a low around 61. South wind around 8 mph.
Tuesday
Mostly cloudy, with a high near 70. South southeast wind 7 to 11 mph.
Tuesday Night
Mostly cloudy, with a low around 61. Southeast wind 5 to 9 mph becoming light east southeast after midnight.
Wednesday
Mostly sunny, with a high near 71. Southeast wind 3 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 60. Southeast wind around 6 mph becoming calm after midnight.
Thursday
Partly sunny, with a high near 71. Calm wind becoming southeast 5 to 9 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 71.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 61.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 72.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Port O Connor TX
 28.44°N 96.43°W
Last Update:
11:26 am CST Feb 8, 2026
Forecast Valid:
2pm CST Feb 8, 2026-6pm CST Feb 14, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation