Lavaca Bay Weather Forecast

    • 79
    • 88

    Slight Chance Thunderstorms

    • 77
    • 88

    Mostly Sunny

    • 79
    • 87

    Partly Sunny

    • 79
    • 87

    Mostly Sunny

    • 80
    • 87

    Slight Chance Thunderstorms

    • 81
    • 87

    Rain Showers Likely

Today 24 Sep Coastal Calhoun

Partly cloudy. A chance of Showers. Highs in the mid 80s. Chance of rain 40 percent.

Tonight 24 Sep Coastal Calhoun

Partly cloudy. Lows in the upper 70s. East Winds 10 to 15 Mph, Diminishing to 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lavaca Bay Temperature Statistics

September Temperature

Palacios Municipal Airport (20.5 miles)

  • Lowest 19 September, 2026

    74.6 °F

  • Average September

    87 °F

  • Highest 22 September, 2026

    96.1 °F

Climate (2021–2026)

Palacios Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    65.7 °F

  • Average 2021–2026

    73.3 °F

  • Average High 2021–2026

    81.2 °F
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