Lewis Weather Forecast

    • 35
    • 49

    Rain Likely

    • 31
    • 51

    Rain

    • 29
    • 42

    Snow

    • 30
    • 53

    Mostly Sunny

    • 36
    • 61

    Partly Sunny

    • 39
    • 65

    Mostly Cloudy

    • 40
    • 67

    Mostly Cloudy

Today 31 Mar Wallowa County

Rain and high mountain snow likely. No high mountain snow accumulation. Highs in the lower 40s to lower 50s. Chance of precipitation 70 percent.

Tonight 31 Mar Wallowa County

Mostly cloudy. Rain and high mountain snow in the Evening, then a chance of rain and high mountain snow overnight. Little or no high mountain snow accumulation. Lows in the upper 20s to upper 30s. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis Temperature Statistics

March Temperature

Grangeville - Idaho County Airport (49.1 miles)

  • Lowest 27 March, 2026

    24.8 °F

  • Average March

    42.2 °F

  • Highest 19 March, 2026

    73.4 °F

Climate (2021–Present)

Grangeville - Idaho County Airport (49.1 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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