Twentymile Lake Weather Forecast

    • 35
    • 50

    Rain/Snow

    • 35
    • 41

    Snow

    • 34
    • 43

    Snow

    • 34
    • 45

    Snow

    • 29
    • 42

    Snow Showers Likely

    • 33
    • 46

    Chance Snow

Today 25 Apr Southern Clearwater Mountains

Mostly cloudy. A 20 percent chance of rain in the afternoon. Highs 49 to 63.

Tonight 25 Apr Southern Clearwater Mountains

A chance of rain in the Evening, then rain likely after midnight. Chance of rain 80 percent. Lows 33 to 46.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Twentymile Lake Temperature Statistics

April Temperature

Grangeville - Idaho County Airport (24.9 miles)

  • Lowest 18 April, 2024

    26.6 °F

  • Average April

    43.4 °F

  • Highest 2 April, 2024

    69.8 °F

Climate (2019–Present)

Grangeville - Idaho County Airport (24.9 miles)

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  • Average Low 2019–2024

    36.2 °F

  • Average 2019–2024

    46.6 °F

  • Average High 2019–2024

    57.1 °F
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