Winchester Weather Forecast

    • 36
    • 54

    Mostly Sunny

    • 43
    • 60

    Partly Sunny

    • 40
    • 62

    Rain/Snow Likely

    • 38
    • 45

    Rain/Snow Likely

    • 36
    • 50

    Rain Showers Likely

    • 35
    • 50

    Snow Showers Likely

Today 2 May Lewis and Southern Nez Perce Counties

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

Tonight 2 May Lewis and Southern Nez Perce Counties

Mostly clear. Widespread frost. Lows in the lower to mid 30s.

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Winchester Temperature Statistics

May Temperature

Lewiston, Lewiston-Nez Perce County Airport (20.5 miles)

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  • Average May

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Climate (2019–Present)

Lewiston, Lewiston-Nez Perce County Airport (20.5 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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