Fort Smith Weather Forecast

    • 43
    • 58

    Mostly Cloudy

    • 47
    • 72

    Becoming Sunny

    • 52
    • 84

    Sunny

    • 55
    • 85

    Mostly Sunny

    • 59
    • 90

    Sunny

    • 56
    • 90

    Mostly Sunny

    • 51
    • 74

    Mostly Cloudy

Today 17 Mar Sebastian

Mostly sunny. Not as cool with Highs in the upper 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 17 Mar Sebastian

Mostly cloudy. Not as cool with Lows in the lower 40s. South Winds 5 to 10 Mph with Gusts up to 30 Mph.

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Fort Smith Temperature Statistics

March Temperature

Fort Smith Regional Airport (3.7 miles)

  • Lowest 12 March, 2026

    34 °F

  • Average March

    64.9 °F

  • Highest 1 March, 2026

    82.7 °F

Climate (2021–Present)

Fort Smith Regional Airport (3.7 miles)

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  • Average Low 2021–2026

    54 °F

  • Average 2021–2026

    64.5 °F

  • Average High 2021–2026

    75.8 °F
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