Lavaca Weather Forecast

    • 76
    • 99

    Hot

    • 77
    • 100

    Hot

    • 78
    • 99

    Hot

    • 78
    • 100

    Hot

    • 77
    • 100

    Hot

    • 76
    • 98

    Hot

Today 9 Aug North and Central Sebastian

Sunny. Highs in the upper 90s. South Winds 5 to 10 Mph. Heat index Values up to 108.

Tonight 9 Aug North and Central Sebastian

Clear. Lows in the upper 70s. South Winds 5 to 10 Mph.

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  • Temperature Real-Time

Lavaca Temperature Statistics

August Temperature

Fort Smith Regional Airport (10.6 miles)

  • Lowest 2 August, 2026

    70.6 °F

  • Average August

    85.7 °F

  • Highest 5 August, 2026

    103.6 °F

Climate (2021–2026)

Fort Smith Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    54.3 °F

  • Average 2021–2026

    64.9 °F

  • Average High 2021–2026

    76.4 °F
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