Lavaca Weather Forecast

    • 44
    • 69

    Increasing Clouds

    • 23
    • 52

    Partly Sunny

    • 30
    • 46

    Mostly Sunny

    • 29
    • 54

    Partly Sunny

    • 21
    • 45

    Mostly Sunny

    • 21
    • 41

    Sunny

Today 13 Jan Sebastian

Sunny. Highs in the upper 60s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 13 Jan Sebastian

Mostly clear in the Evening, then mostly cloudy with a chance of Sprinkles after midnight. Lows in the mid 40s. West Winds 5 to 10 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lavaca Temperature Statistics

January Temperature

Fort Smith Regional Airport (10.6 miles)

  • Lowest 1 January, 2026

    30.9 °F

  • Average January

    51.2 °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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