Winchester Weather Forecast

    • 34
    • 46

    Decreasing Clouds

    • 34
    • 49

    Mostly Cloudy

    • 31
    • 50

    Mostly Cloudy

    • 31
    • 46

    Mostly Cloudy

    • 32
    • 49

    Mostly Cloudy

    • 31
    • 52

    Partly Sunny

    • 31
    • 52

    Partly Sunny

Today 30 Jan Lewis and Southern Nez Perce Counties

Cloudy. A chance of rain in the morning. Highs in the mid 40s to lower 50s. Chance of precipitation 20 percent.

Tonight 30 Jan Lewis and Southern Nez Perce Counties

Mostly cloudy. A chance of rain in the evening. Lows in the mid 30s to lower 40s. Chance of precipitation 20 percent.

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  • Temperature Real-Time

Winchester Temperature Statistics

January Temperature

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

  • Lowest 25 January, 2026

    17.7 °F

  • Average January

    36.8 °F

  • Highest 4 January, 2026

    58.6 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.7 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    66 °F
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