Lavaca Bay Weather Forecast

    • 82
    • 89

    Mostly Sunny

    • 81
    • 88

    Partly Sunny

    • 82
    • 88

    Partly Sunny

    • 80
    • 89

    Mostly Sunny

    • 79
    • 89

    Mostly Sunny

    • 81
    • 89

    Mostly Sunny

Today 12 Aug Coastal Calhoun

Sunny. Highs in the lower 90s. South Winds 10 to 15 Mph. Heat index Values up to 111.

Tonight 12 Aug Coastal Calhoun

Mostly clear. Lows in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lavaca Bay Temperature Statistics

August Temperature

Palacios Municipal Airport (20.5 miles)

  • Lowest 8 August, 2026

    76.6 °F

  • Average August

    86.9 °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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