Lavaca Weather Forecast

    • 76
    • 105

    Slight Chance Thunderstorms

    • 75
    • 105

    Slight Chance Thunderstorms

    • 71
    • 103

    Hot

    • 74
    • 104

    Hot

    • 75
    • 103

    Hot

    • 73
    • 100

    Hot

Today 5 Sep North and Central Sebastian

Sunny, hot with Highs around 104. Northeast Winds around 5 Mph. Heat index Values up to 111.

Tonight 5 Sep North and Central Sebastian

Mostly clear. Lows in the upper 70s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Lavaca Temperature Statistics

September Temperature

Fort Smith Regional Airport (10.6 miles)

  • Lowest 2 September, 2026

    75.7 °F

  • Average September

    90.2 °F

  • Highest 1 September, 2026

    105.7 °F

Climate (2021–2026)

Fort Smith Regional Airport (10.6 miles)

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

  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    65 °F

  • Average High 2021–2026

    76.5 °F
Get WillyWeather+ to remove ads