Port Lavaca Weather Forecast

    • 46
    • 60

    Becoming Sunny

    • 57
    • 62

    Sunny

    • 60
    • 71

    Mostly Sunny

    • 64
    • 73

    Mostly Sunny

    • 59
    • 70

    Partly Sunny

    • 56
    • 63

    Partly Sunny

Today 8 Dec Coastal Calhoun

Sunny. Much cooler with Highs in the lower 60s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 Dec Coastal Calhoun

Clear. Lows in the mid 40s. Northeast Winds 5 to 10 Mph.

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Port Lavaca Temperature Statistics

December Temperature

Palacios Municipal Airport (23 miles)

  • Lowest 2 December, 2025

    39.9 °F

  • Average December

    52.8 °F

  • Highest 3 December, 2025

    71.1 °F

Climate (2020–Present)

Palacios Municipal Airport (23 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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