Lavaca Bay Weather Forecast

    • 81
    • 88

    Chance Rain Showers

    • 81
    • 90

    Chance Thunderstorms

    • 81
    • 89

    Slight Chance Thunderstorms

    • 81
    • 89

    Chance Thunderstorms

    • 80
    • 88

    Chance Thunderstorms

    • 81
    • 89

    Slight Chance Thunderstorms

    • 81
    • 89

    Slight Chance Thunderstorms

Today 5 Sep Coastal Calhoun

Partly cloudy this Morning, then becoming mostly cloudy. A chance of Showers and Thunderstorms. Highs in the lower 90s. South Winds around 5 Mph, increasing to southeast this afternoon. Chance of rain 50 percent.

Tonight 5 Sep Coastal Calhoun

Mostly cloudy late this Evening, then becoming partly cloudy. Near steady temperature in the lower 80s. Southeast Winds 5 to 10 Mph, becoming south.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lavaca Bay Temperature Statistics

September Temperature

Palacios Municipal Airport (20.5 miles)

  • Lowest 1 September, 2026

    76.6 °F

  • Average September

    87.1 °F

  • Highest 1 September, 2026

    93.7 °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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