Lavaca Bay Weather Forecast

    • 83
    • 88

    Mostly Sunny

    • 83
    • 89

    Mostly Sunny

    • 82
    • 89

    Chance Rain Showers

    • 83
    • 88

    Chance Thunderstorms

    • 82
    • 89

    Slight Chance Thunderstorms

    • 81
    • 88

    Chance Thunderstorms

    • 79
    • 87

    Chance Thunderstorms

Today 11 Sep Coastal Calhoun

Partly cloudy with a slight chance of Showers and Thunderstorms. Highs in the lower 90s. South Winds 5 to 10 Mph, increasing to 10 to 15 Mph this afternoon. Chance of rain 20 percent.

Tonight 11 Sep Coastal Calhoun

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

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  • Temperature Real-Time

Lavaca Bay Temperature Statistics

September Temperature

Palacios Municipal Airport (20.5 miles)

  • Lowest 1 September, 2026

    76.6 °F

  • Average September

    87 °F

  • Highest 7 September, 2026

    95.6 °F

Climate (2021–2026)

Palacios Municipal Airport (20.5 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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