Lavaca Weather Forecast

    • 78
    • 97

    Slight Chance Thunderstorms

    • 75
    • 97

    Rain Showers Likely

    • 73
    • 91

    Rain Showers Likely

    • 72
    • 91

    Chance Thunderstorms

    • 73
    • 91

    Slight Chance Thunderstorms

    • 74
    • 92

    Slight Chance Thunderstorms

Today 10 Jul North and Central Sebastian

Sunny. Highs in the upper 90s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Heat index Values up to 106.

Tonight 10 Jul North and Central Sebastian

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

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lavaca Temperature Statistics

July Temperature

Fort Smith Regional Airport (10.6 miles)

  • Lowest 5 July, 2026

    70.6 °F

  • Average July

    84.3 °F

  • Highest 1 July, 2026

    96.7 °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

    64.8 °F

  • Average High 2021–2026

    76.2 °F
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