Lavaca Bay Weather Forecast

    • 80
    • 88

    Chance Thunderstorms

    • 81
    • 87

    Chance Thunderstorms

    • 81
    • 88

    Mostly Sunny

    • 82
    • 89

    Mostly Sunny

    • 82
    • 89

    Mostly Sunny

    • 82
    • 89

    Mostly Sunny

Today 9 Aug Coastal Calhoun

Partly cloudy with a chance of Showers and Thunderstorms. Highs around 90. Southeast Winds around 5 Mph, increasing to 10 to 15 Mph this afternoon. Chance of rain 30 percent.

Tonight 9 Aug Coastal Calhoun

A slight chance of Thunderstorms in the evening. Mostly clear with a slight chance of Showers. Lows in the upper 70s. Southeast Winds 10 to 15 Mph, becoming south 5 to 10 Mph after midnight. Chance of rain 20 percent.

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Lavaca Bay Temperature Statistics

August Temperature

Palacios Municipal Airport (20.5 miles)

  • Lowest 3 August, 2026

    77.6 °F

  • Average August

    87.7 °F

  • Highest 2 August, 2026

    98.7 °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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