Lavaca Bay Weather Forecast

    • 79
    • 89

    Mostly Sunny

    • 79
    • 88

    Mostly Sunny

    • 81
    • 89

    Mostly Sunny

    • 80
    • 90

    Mostly Sunny

    • 81
    • 90

    Mostly Sunny

    • 80
    • 90

    Mostly Sunny

Today 15 Aug Coastal Calhoun

Sunny. A slight chance of Showers and Thunderstorms this morning. Highs in the lower 90s. South Winds 5 to 10 Mph, increasing to southeast 10 to 15 Mph this afternoon. Chance of rain 20 percent.

Tonight 15 Aug Coastal Calhoun

Mostly clear. Lows in the upper 70s. Southeast Winds 10 to 15 Mph, becoming south 5 to 10 Mph after midnight.

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Lavaca Bay Temperature Statistics

August Temperature

Palacios Municipal Airport (20.5 miles)

  • Lowest 8 August, 2026

    76.6 °F
  • Average August

    87.1 °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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