Lewiston Weather Forecast

    • 46
    • 67

    Mostly Sunny

    • 43
    • 70

    Mostly Sunny

    • 45
    • 74

    Mostly Sunny

    • 49
    • 77

    Mostly Sunny

    • 50
    • 78

    Mostly Sunny

    • 48
    • 79

    Partly Sunny

    • 48
    • 72

    Partly Sunny

Today 23 Sep Lewiston Area

Mostly clear. Lows in the lower to mid 40s. West wind 5 to 15 Mph in the Evening, becoming light.

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Lewiston Temperature Statistics

September Temperature

Lewiston, Lewiston-Nez Perce County Airport (1.9 miles)

  • Lowest 19 September, 2018

    43 °F
  • Average September

    61.6 °F
  • Highest 9 September, 2018

    82 °F

Climate (2010–Present)

Lewiston, Lewiston-Nez Perce County Airport (1.9 miles)

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  • Average Low 2010–Present

    45.2 °F
  • Average 2010–Present

    55.2 °F
  • Average High 2010–Present

    65.3 °F
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