Lavaca Weather Forecast

    • 24
    • 52

    Becoming Sunny

    • 31
    • 48

    Mostly Sunny

    • 28
    • 53

    Mostly Sunny

    • 18
    • 44

    Mostly Sunny

    • 23
    • 42

    Mostly Sunny

    • 22
    • 49

    Mostly Sunny

Today 14 Jan Sebastian

Mostly sunny. Much cooler with Highs in the lower 50s. Northwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 14 Jan Sebastian

Mostly clear. Much Colder with Lows in the mid 20s. North Winds 10 to 15 Mph with Gusts up to 35 Mph, becoming northwest around 5 Mph after midnight.

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Lavaca Temperature Statistics

January Temperature

Fort Smith Regional Airport (10.6 miles)

  • Lowest 11 January, 2026

    30 °F

  • Average January

    50.1 °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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