Winchester Weather Forecast

    • 42
    • 56

    Chance Rain

    • 46
    • 62

    Mostly Cloudy

    • 46
    • 66

    Mostly Cloudy

    • 43
    • 65

    Chance Rain

    • 33
    • 54

    Chance Rain/Snow

    • 32
    • 52

    Partly Sunny

Today 17 Mar Lewis and Southern Nez Perce Counties

Mostly cloudy with a 20 percent chance of rain. Highs in the mid 50s to lower 60s. Rainfall Amounts less than a tenth of an inch.

Tonight 17 Mar Lewis and Southern Nez Perce Counties

Mostly cloudy. A chance of rain in the evening. Lows in the 40s. Chance of precipitation 20 percent.

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Winchester Temperature Statistics

March Temperature

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

  • Lowest 10 March, 2026

    28.9 °F

  • Average March

    45.5 °F

  • Highest 8 March, 2026

    66 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    66.1 °F
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