Port Lavaca Weather Forecast

    • 77
    • 82

    Chance Thunderstorms

    • 74
    • 81

    Rain Showers

    • 75
    • 82

    Chance Rain Showers

    • 74
    • 82

    Mostly Sunny

    • 64
    • 80

    Mostly Sunny

    • 57
    • 71

    Mostly Sunny

Today 24 Oct Coastal Calhoun

Sunny in the Morning, then becoming partly cloudy. A chance of Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Highs in the mid 80s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 24 Oct Coastal Calhoun

Partly cloudy with a chance of Thunderstorms. A chance of Showers. Lows in the mid 70s. Southeast Winds 15 to 20 Mph. Chance of rain 50 percent.

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Port Lavaca Temperature Statistics

October Temperature

Palacios Municipal Airport (23 miles)

  • Lowest 11 October, 2025

    63 °F

  • Average October

    78.8 °F

  • Highest 19 October, 2025

    93 °F

Climate (2020–Present)

Palacios Municipal Airport (23 miles)

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  • Average Low 2020–2025

    64.8 °F

  • Average 2020–2025

    72.5 °F

  • Average High 2020–2025

    80.4 °F
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