Lavaca Bay Weather Forecast

    • 58
    • 82

    Chance Rain Showers

    • 39
    • 62

    Slight Chance Rain Showers

    • 48
    • 52

    Partly Sunny

    • 62
    • 67

    Mostly Cloudy

    • 65
    • 74

    Chance Rain Showers

    • 62
    • 75

    Partly Sunny

Today 13 Dec Coastal Calhoun

Mostly cloudy. Patchy dense fog this morning. A chance of Showers and Thunderstorms, mainly this morning. Highs in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of rain 40 percent.

Tonight 13 Dec Coastal Calhoun

Mostly cloudy. Patchy fog in the Evening, then Areas of fog after midnight. A slight chance of Showers and Thunderstorms after midnight. Lows around 60. East Winds around 5 Mph, increasing to north after midnight. Chance of rain 20 percent.

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Lavaca Bay Temperature Statistics

December Temperature

Palacios Municipal Airport (20.5 miles)

  • Lowest 2 December, 2025

    39.9 °F

  • Average December

    54.7 °F

  • Highest 7 December, 2025

    78.1 °F

Climate (2020–Present)

Palacios Municipal Airport (20.5 miles)

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  • Average Low 2020–2025

    65 °F

  • Average 2020–2025

    72.6 °F

  • Average High 2020–2025

    80.5 °F
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