Lavaca Bay Weather Forecast

    • 82
    • 87

    Increasing Clouds

    • 81
    • 86

    Chance Thunderstorms

    • 81
    • 86

    Slight Chance Thunderstorms

    • 82
    • 86

    Partly Sunny

    • 82
    • 86

    Mostly Sunny

    • 80
    • 87

    Mostly Sunny

    • 79
    • 87

    Mostly Sunny

Today 18 Jun Coastal Calhoun

Sunny. Near steady temperature in the upper 80s. South Winds 15 to 20 Mph. Heat index Values up to 113.

Tonight 18 Jun Coastal Calhoun

Mostly clear this Evening, then becoming partly cloudy. Lows in the lower 80s. Southeast Winds 10 to 15 Mph. Heat index Values up to 112 early this evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lavaca Bay Temperature Statistics

June Temperature

Palacios Municipal Airport (20.5 miles)

  • Lowest 4 June, 2026

    73.7 °F

  • Average June

    83.4 °F

  • Highest 9 June, 2026

    90.6 °F

Climate (2021–2026)

Palacios Municipal Airport (20.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    65.5 °F

  • Average 2021–2026

    73.1 °F

  • Average High 2021–2026

    81 °F
Get WillyWeather+ to remove ads