Lewis Weather Forecast

    • 56
    • 79

    Chance Rain Showers

    • 58
    • 84

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

    • 59
    • 86

    Mostly Sunny

    • 63
    • 91

    Sunny

    • 64
    • 93

    Mostly Sunny

Today 6 Sep Northern Scott County

Mostly cloudy with a chance of Showers in the Morning, then mostly sunny in the afternoon. Highs in the mid 70s. East Winds around 5 Mph. Chance of rain 30 percent. Average rainfall less than 1/10 inch.

Tonight 6 Sep Northern Scott County

Mostly clear. Lows in the upper 50s. East Winds around 5 Mph.

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Lewis Temperature Statistics

September Temperature

Fort Smith Regional Airport (23.6 miles)

  • Lowest 1 September, 2025

    69.1 °F

  • Average September

    75.9 °F

  • Highest 2 September, 2025

    88 °F

Climate (2020–Present)

Fort Smith Regional Airport (23.6 miles)

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  • Average Low 2020–2025

    53.5 °F

  • Average 2020–2025

    63.8 °F

  • Average High 2020–2025

    75.1 °F
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