Lavaca Bay Weather Forecast

    • 81
    • 91

    Partly Sunny

    • 80
    • 91

    Slight Chance Thunderstorms

    • 81
    • 89

    Mostly Sunny

    • 81
    • 89

    Sunny

    • 82
    • 89

    Slight Chance Thunderstorms

    • 81
    • 89

    Slight Chance Thunderstorms

    • 81
    • 88

    Slight Chance Thunderstorms

Today 27 Aug Coastal Calhoun

Sunny. Highs in the mid 90s. Southwest Winds 5 to 10 Mph, increasing to south 10 to 15 Mph this afternoon. Heat index Values up to 111.

Tonight 27 Aug Coastal Calhoun

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 80s. South Winds 10 to 15 Mph, becoming southwest 5 to 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lavaca Bay Temperature Statistics

August Temperature

Palacios Municipal Airport (20.5 miles)

  • Lowest 17 August, 2026

    71.7 °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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