Port Lavaca Weather Forecast

    • 80
    • 84

    Chance Rain Showers

    • 80
    • 86

    Mostly Sunny

    • 79
    • 86

    Chance Thunderstorms

    • 79
    • 88

    Slight Chance Thunderstorms

    • 80
    • 88

    Mostly Sunny

    • 81
    • 89

    Mostly Sunny

Today 5 Jul Coastal Calhoun

Mostly cloudy with a chance of Showers and Thunderstorms. Highs in the upper 80s. South Winds 10 to 15 Mph. Chance of rain 40 percent.

Tonight 5 Jul Coastal Calhoun

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the upper 70s. Southeast Winds 10 to 15 Mph, becoming south 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

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Port Lavaca Temperature Statistics

July Temperature

Palacios Municipal Airport (23 miles)

  • Lowest 1 July, 2025

    73.9 °F

  • Average July

    84.5 °F

  • Highest 1 July, 2025

    91.9 °F

Climate (2020–Present)

Palacios Municipal Airport (23 miles)

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  • Average Low 2020–2025

    64.8 °F

  • Average 2020–2025

    72.4 °F

  • Average High 2020–2025

    80.3 °F
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