Fort Smith Regional Airport Weather Forecast

    • 53
    • 61

    Chance Rain Showers

    • 30
    • 64

    Chance Rain Showers

    • 40
    • 58

    Mostly Sunny

    • 41
    • 69

    Partly Sunny

    • 43
    • 59

    Mostly Cloudy

    • 50
    • 62

    Mostly Cloudy

    • 54
    • 72

    Mostly Cloudy

Today 17 Dec Sebastian

Mostly cloudy. Highs in the lower 60s. Southeast Winds around 5 Mph.

Tonight 17 Dec Sebastian

Cloudy. A slight chance of Showers this Evening, then a chance of Showers after midnight. Not as cool. Near steady temperature in the mid 50s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 30 percent.

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Fort Smith Regional Airport Temperature Statistics

December Temperature

Fort Smith Regional Airport (0 miles)

  • Lowest 15 December, 2025

    21.9 °F

  • Average December

    40.8 °F

  • Highest 12 December, 2025

    69.1 °F

Climate (2020–Present)

Fort Smith Regional Airport (0 miles)

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  • Average Low 2020–2025

    53.8 °F

  • Average 2020–2025

    64 °F

  • Average High 2020–2025

    75.3 °F
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