Winchester Lake Weather Forecast

    • 23
    • 32

    Snow

    • 17
    • 30

    Snow Likely

    • 15
    • 28

    Slight Chance Snow

    • 18
    • 29

    Snow Likely

    • 16
    • 27

    Snow Likely

    • 15
    • 31

    Chance Snow

Today 3 Feb Lewis and Southern Nez Perce Counties

Cloudy. Scattered snow Showers in the Morning, then a chance of snow in the afternoon. Highs in the 30s. Chance of precipitation 50 percent.

Tonight 3 Feb Lewis and Southern Nez Perce Counties

Mostly cloudy with isolated snow Showers. Lows in the 20s. Chance of precipitation 20 percent.

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Winchester Lake Temperature Statistics

February Temperature

Grangeville - Idaho County Airport (30.4 miles)

  • Lowest

  • Average February

  • Highest

Climate (2020–Present)

Grangeville - Idaho County Airport (30.4 miles)

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  • Average Low 2020–2025

    36.3 °F
  • Average 2020–2025

    46.7 °F
  • Average High 2020–2025

    57.3 °F
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