Port Lavaca Weather Forecast

    • 83
    • 90

    Increasing Clouds

    • 82
    • 89

    Mostly Sunny

    • 81
    • 88

    Chance Thunderstorms

    • 81
    • 88

    Chance Thunderstorms

    • 81
    • 88

    Slight Chance Thunderstorms

    • 81
    • 88

    Slight Chance Thunderstorms

Today 2 Sep Coastal Calhoun

Sunny. Highs in the lower 90s. Southwest Winds 5 to 10 Mph, increasing to south 10 to 15 Mph this afternoon. Heat index Values up to 110.

Tonight 2 Sep Coastal Calhoun

Partly cloudy. Lows in the lower 80s. South Winds 10 to 15 Mph.

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Port Lavaca Temperature Statistics

September Temperature

Palacios Municipal Airport (23 miles)

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  • Average September

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Climate (2021–2026)

Palacios Municipal Airport (23 miles)

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  • Average Low 2021–2026

    65.6 °F

  • Average 2021–2026

    73.3 °F

  • Average High 2021–2026

    81.1 °F
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