Port Lavaca Weather Forecast

    • 63
    • 68

    Increasing Clouds

    • 66
    • 74

    Mostly Cloudy

    • 49
    • 79

    Breezy

    • 47
    • 63

    Mostly Sunny

    • 54
    • 67

    Mostly Sunny

    • 63
    • 70

    Mostly Sunny

Today 6 Mar Coastal Calhoun

Mostly sunny. Highs in the lower 70s. East Winds 5 to 10 Mph, increasing to 10 to 15 Mph this Morning, then increasing to southeast 15 to 20 Mph this afternoon.

Tonight 6 Mar Coastal Calhoun

Partly cloudy. Not as cool. More humid with Lows in the lower 60s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Lavaca Temperature Statistics

March Temperature

Palacios Municipal Airport (23 miles)

  • Lowest 1 March, 2025

    50.6 °F

  • Average March

    68.4 °F

  • Highest 1 March, 2025

    79.6 °F

Climate (2020–Present)

Palacios Municipal Airport (23 miles)

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  • Average Low 2020–2025

    64.8 °F

  • Average 2020–2025

    72.3 °F

  • Average High 2020–2025

    80.2 °F
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