Lavaca Weather Forecast

    • 17
    • 41

    Becoming Sunny

    • 25
    • 49

    Mostly Sunny

    • 18
    • 38

    Partly Sunny

    • 34
    • 51

    Partly Sunny

    • 33
    • 55

    Mostly Cloudy

    • 30
    • 49

    Partly Sunny

Today 17 Jan Sebastian

Mostly sunny. Cooler with Highs around 40. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 17 Jan Sebastian

Mostly clear. Cold with Lows around 18. Northwest Winds 10 to 15 Mph, becoming west around 5 Mph after midnight.

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Lavaca Temperature Statistics

January Temperature

Fort Smith Regional Airport (10.6 miles)

  • Lowest 12 January, 2026

    27 °F

  • Average January

    49.5 °F

  • Highest 8 January, 2026

    73 °F

Climate (2021–Present)

Fort Smith Regional Airport (10.6 miles)

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  • Average Low 2021–2026

    53.9 °F

  • Average 2021–2026

    64.2 °F

  • Average High 2021–2026

    75.5 °F
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