Port Lavaca Weather Forecast

    • 79
    • 90

    Becoming Sunny

    • 80
    • 89

    Mostly Sunny

    • 82
    • 88

    Chance Thunderstorms

    • 83
    • 88

    Chance Rain Showers

    • 82
    • 88

    Chance Thunderstorms

    • 81
    • 88

    Slight Chance Thunderstorms

Today 8 Jul Coastal Calhoun

Partly cloudy. A slight chance of Showers this morning. Highs in the lower 90s. South Winds around 5 Mph, increasing to 10 to 15 Mph this afternoon. Chance of rain 20 percent.

Tonight 8 Jul Coastal Calhoun

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Port Lavaca Temperature Statistics

July Temperature

Palacios Municipal Airport (23 miles)

  • Lowest 2 July, 2026

    80.7 °F

  • Average July

    86.7 °F

  • Highest 3 July, 2026

    92.6 °F

Climate (2021–2026)

Palacios Municipal Airport (23 miles)

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  • Average Low 2021–2026

    65.5 °F

  • Average 2021–2026

    73.2 °F

  • Average High 2021–2026

    81.1 °F
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