Port Lavaca Weather Forecast

    • 73
    • 81

    Mostly Cloudy

    • 75
    • 80

    Mostly Cloudy

    • 75
    • 80

    Slight Chance Thunderstorms

    • 74
    • 81

    Partly Sunny

    • 73
    • 82

    Chance Thunderstorms

    • 72
    • 79

    Chance Rain Showers

Today 28 Apr Coastal Calhoun

Mostly cloudy. Highs in the lower 80s. South Winds 10 to 15 Mph with Gusts up to 25 Mph, increasing to southeast 15 to 20 Mph this afternoon.

Tonight 28 Apr Coastal Calhoun

Mostly cloudy. Lows in the lower 70s. Southeast Winds 15 to 20 Mph, Diminishing to 10 to 15 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Lavaca Temperature Statistics

April Temperature

Palacios Municipal Airport (23 miles)

  • Lowest 5 April, 2025

    57.7 °F

  • Average April

    76.9 °F

  • Highest 4 April, 2025

    84.7 °F

Climate (2020–Present)

Palacios Municipal Airport (23 miles)

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  • Average Low 2020–2025

    64.7 °F

  • Average 2020–2025

    72.3 °F

  • Average High 2020–2025

    80.3 °F
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