Winchester Lake 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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  • Temperature Forecast NOAA

  • Temperature Real-Time

Winchester Lake Temperature Statistics

March Temperature

Grangeville - Idaho County Airport (30.4 miles)

  • Lowest 9 March, 2026

    26.6 °F

  • Average March

    40.3 °F

  • Highest 8 March, 2026

    59 °F

Climate (2021–Present)

Grangeville - Idaho County Airport (30.4 miles)

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  • Average Low 2021–2026

    37 °F

  • Average 2021–2026

    47.4 °F

  • Average High 2021–2026

    58 °F
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