Lavaca Weather Forecast

    • 35
    • 63

    Mostly Sunny

    • 26
    • 56

    Mostly Sunny

    • 22
    • 38

    Sunny

    • 30
    • 47

    Mostly Sunny

    • 45
    • 58

    Mostly Cloudy

    • 53
    • 64

    Mostly Cloudy

    • 44
    • 66

    Partly Sunny

Today 12 Dec Sebastian

Mostly sunny. Highs in the lower 60s. Northwest Winds around 5 Mph.

Tonight 12 Dec Sebastian

Mostly clear. Lows in the mid 30s. North Winds around 5 Mph, becoming east after midnight.

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Lavaca Temperature Statistics

December Temperature

Fort Smith Regional Airport (10.6 miles)

  • Lowest 3 December, 2025

    30.9 °F

  • Average December

    40.9 °F

  • Highest 9 December, 2025

    63 °F

Climate (2020–Present)

Fort Smith Regional Airport (10.6 miles)

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  • Average Low 2020–2025

    53.8 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    75.2 °F
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