Fort Smith Weather Forecast

    • 67
    • 81

    Chance Thunderstorms

    • 69
    • 86

    Slight Chance Thunderstorms

    • 71
    • 89

    Chance Thunderstorms

    • 71
    • 89

    Mostly Sunny

    • 71
    • 90

    Slight Chance Thunderstorms

    • 67
    • 87

    Slight Chance Thunderstorms

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Smith Temperature Statistics

May Temperature

Fort Smith Regional Airport (3.7 miles)

  • Lowest 7 May, 2026

    44.7 °F

  • Average May

    71.1 °F

  • Highest 17 May, 2026

    90.6 °F

Climate (2021–Present)

Fort Smith Regional Airport (3.7 miles)

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  • Average Low 2021–2026

    54.2 °F

  • Average 2021–2026

    64.7 °F

  • Average High 2021–2026

    76.2 °F
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