Winchester Weather Forecast

    • 35
    • 49

    Increasing Clouds

    • 32
    • 46

    Rain Showers Likely

    • 36
    • 50

    Mostly Cloudy

    • 40
    • 58

    Partly Sunny

    • 36
    • 54

    Mostly Cloudy

    • 36
    • 51

    Mostly Cloudy

Today 4 Nov Lewis and Southern Nez Perce Counties

Sunny. Highs in the upper 40s to mid 50s.

Tonight 4 Nov Lewis and Southern Nez Perce Counties

Mostly clear in the Evening, becoming mostly cloudy. Lows in the mid 30s to lower 40s.

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Winchester Temperature Statistics

November Temperature

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

  • Lowest 2 November, 2026

    37 °F

  • Average November

    43.9 °F

  • Highest 2 November, 2026

    53.1 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.5 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    66 °F
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