Lavaca Weather Forecast

    • 72
    • 92

    Mostly Sunny

    • 72
    • 98

    Slight Chance Thunderstorms

    • 73
    • 100

    Hot

    • 74
    • 100

    Hot

    • 74
    • 100

    Hot

    • 74
    • 100

    Hot

    • 74
    • 99

    Chance Rain Showers

Today 11 Sep North and Central Sebastian

Sunny. Highs in the lower 90s. Southeast Winds around 5 Mph.

Tonight 11 Sep North and Central Sebastian

Mostly clear. Lows in the lower 70s. East Winds around 5 Mph.

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  • 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

    91.4 °F

  • Highest 4 September, 2026

    106.6 °F

Climate (2021–2026)

Fort Smith Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    54.4 °F

  • Average 2021–2026

    65.1 °F

  • Average High 2021–2026

    76.5 °F
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