Lavaca Weather Forecast

    • 80
    • 103

    Slight Chance Thunderstorms

    • 77
    • 98

    Chance Thunderstorms

    • 76
    • 95

    Chance Rain Showers

    • 74
    • 97

    Slight Chance Thunderstorms

    • 71
    • 91

    Mostly Sunny

    • 70
    • 91

    Mostly Sunny

Today 28 Jul North and Central Sebastian

Mostly sunny. Hot with Highs around 101. West Winds around 5 Mph. Heat index Values up to 111.

Tonight 28 Jul North and Central Sebastian

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Lows around 80. South Winds around 5 Mph, becoming east after midnight. Chance of rain 20 percent.

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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

    85.5 °F

  • Highest 21 July, 2026

    104.6 °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

    76.3 °F
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