Lavaca Weather Forecast

    • 63
    • 90

    Increasing Clouds

    • 62
    • 88

    Mostly Cloudy

    • 67
    • 90

    Mostly Cloudy

    • 66
    • 91

    Chance Rain Showers

    • 67
    • 91

    Chance Rain Showers

    • 69
    • 90

    Chance Rain Showers

    • 65
    • 87

    Rain Showers Likely

Today 23 Sep North and Central Sebastian

Partly sunny with a 50 percent chance of Showers. Highs around 80.

Tonight 23 Sep North and Central Sebastian

Partly cloudy this Evening, then becoming mostly cloudy. Lows in the lower 60s. East Winds 5 to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lavaca Temperature Statistics

September Temperature

Fort Smith Regional Airport (10.6 miles)

  • Lowest 19 September, 2026

    70.6 °F

  • Average September

    89.4 °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

    76.6 °F
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