Grangeville Weather Forecast

    • 52
    • 74

    Rain Showers

    • 51
    • 76

    Rain Showers Likely

    • 47
    • 60

    Slight Chance Rain Showers

    • 49
    • 69

    Slight Chance Thunderstorms

    • 49
    • 73

    Mostly Cloudy

    • 48
    • 73

    Mostly Sunny

    • 43
    • 61

    Chance Rain Showers

Today 25 May Orofino/Grangeville Region

Rain Showers likely. Chance of Thunderstorms in the Evening, then slight chance of Thunderstorms after midnight. Chance of precipitation 90 percent. Some Thunderstorms may produce gusty Winds, small Hail, and heavy rainfall. Lows in the 50s.

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Grangeville Temperature Statistics

May Temperature

Grangeville - Idaho County Airport (0.6 miles)

  • Lowest 2 May, 2018

    33.8 °F
  • Average May

    54.2 °F
  • Highest 15 May, 2018

    77 °F

Climate (2011–Present)

Grangeville - Idaho County Airport (0.6 miles)

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  • Average Low 2011–Present

    36.7 °F
  • Average 2011–Present

    47.1 °F
  • Average High 2011–Present

    57.1 °F
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