Port Lavaca Weather Forecast

    • 80
    • 90

    Mostly Sunny

    • 79
    • 91

    Mostly Sunny

    • 79
    • 87

    Chance Thunderstorms

    • 82
    • 87

    Chance Thunderstorms

    • 81
    • 88

    Slight Chance Thunderstorms

    • 80
    • 89

    Mostly Sunny

Today 23 Jul Coastal Calhoun

Sunny. Highs in the lower 90s. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph this afternoon.

Tonight 23 Jul Coastal Calhoun

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

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Port Lavaca Temperature Statistics

July Temperature

Palacios Municipal Airport (23 miles)

  • Lowest 1 July, 2025

    74.6 °F

  • Average July

    87 °F

  • Highest 1 July, 2025

    93.7 °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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