Port Lavaca Weather Forecast

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    Chance Thunderstorms

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    Chance Thunderstorms

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    Chance Thunderstorms

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    • 86

    Chance Thunderstorms

    • 78
    • 86

    Chance Thunderstorms

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    • 86

    Slight Chance Thunderstorms

Today 25 Sep Coastal Calhoun

Mostly cloudy with a slight chance of Showers this Morning, then partly cloudy with a chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. South Winds 5 to 10 Mph, increasing to southeast 10 to 15 Mph this afternoon. Chance of rain 30 percent.

Tonight 25 Sep Coastal Calhoun

Partly cloudy with a chance of Showers and Thunderstorms. Lows in the mid 70s. South Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Lavaca Temperature Statistics

September Temperature

Palacios Municipal Airport (23 miles)

  • Lowest 19 September, 2023

    70.6 °F

  • Average September

    85.5 °F

  • Highest 1 September, 2023

    95.6 °F

Climate (2010–Present)

Palacios Municipal Airport (23 miles)

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  • Average Low 2010–Present

    65.2 °F

  • Average 2010–Present

    72.6 °F

  • Average High 2010–Present

    80.4 °F
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