Lavaca Bay Weather Forecast

    • 79
    • 88

    Decreasing Clouds

    • 80
    • 86

    Chance Thunderstorms

    • 81
    • 85

    Chance Rain Showers

    • 81
    • 86

    Rain Showers Likely

    • 78
    • 84

    Rain Showers

    • 75
    • 81

    Rain Showers Likely

    • 74
    • 79

    Rain Showers Likely

Today 27 Sep Coastal Calhoun

Mostly cloudy. A chance of Showers. Highs in the mid 80s. Chance of rain 50 percent.

Tonight 27 Sep Coastal Calhoun

Mostly cloudy this Evening, then clearing. Lows in the upper 70s. Southeast 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

    86.9 °F

  • Highest 22 September, 2026

    96.7 °F

Climate (2021–2026)

Palacios Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    65.7 °F

  • Average 2021–2026

    73.4 °F

  • Average High 2021–2026

    81.2 °F
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