Lavaca Weather Forecast

    • 75
    • 100

    Hot

    • 74
    • 100

    Slight Chance Rain Showers

    • 73
    • 99

    Hot

    • 72
    • 99

    Hot

    • 71
    • 98

    Hot

    • 67
    • 93

    Chance Rain Showers

Today 15 Sep North and Central Sebastian

Sunny, hot with Highs around 100. South Winds 5 to 10 Mph. Heat index Values up to 107.

Tonight 15 Sep North and Central Sebastian

Clear. Lows in the mid 70s. Southeast 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 11 September, 2026

    74.6 °F

  • Average September

    89.9 °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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