Lewiston Weather Forecast

    • 41
    • 67

    Mostly Sunny

    • 49
    • 71

    Partly Sunny

    • 46
    • 73

    Rain Likely

    • 45
    • 54

    Rain Showers

    • 42
    • 62

    Chance Rain

    • 43
    • 60

    Chance Rain Showers

    • 42
    • 62

    Slight Chance Rain Showers

Today 2 May Lewiston Area

Sunny. Highs in the upper 50s to mid 60s.

Tonight 2 May Lewiston Area

Mostly clear. Lows in the mid to upper 30s.

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  • Temperature Forecast NOAA

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Lewiston Temperature Statistics

May Temperature

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

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  • Average May

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Climate (2019–Present)

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

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  • Average Low 2019–2024

    45.1 °F
  • Average 2019–2024

    54.8 °F
  • Average High 2019–2024

    64.9 °F
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