Big Eddy Recreation Site and Launch Area Weather Forecast

    • 51
    • 78

    Rain

    • 48
    • 64

    Rain

    • 49
    • 75

    Mostly Sunny

    • 52
    • 81

    Mostly Sunny

    • 54
    • 83

    Partly Sunny

    • 52
    • 79

    Chance Rain

Today 6 Sep Orofino/Grangeville Region

Mostly cloudy until late Afternoon, then a 20 percent chance of Showers and Thunderstorms late in the afternoon. Highs in the 70s to lower 80s.

Tonight 6 Sep Orofino/Grangeville Region

Slight chance of Thunderstorms. Chance of rain Showers in the Evening, then rain Showers likely after midnight. Chance of precipitation 90 percent. Lows in the upper 40s to mid 50s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Eddy Recreation Site and Launch Area Temperature Statistics

September Temperature

Lewiston, Lewiston-Nez Perce County Airport (34.8 miles)

  • Lowest 3 September, 2026

    53.1 °F

  • Average September

    65.3 °F

  • Highest 1 September, 2026

    80.7 °F

Climate (2021–2026)

Lewiston, Lewiston-Nez Perce County Airport (34.8 miles)

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  • Average Low 2021–2026

    45.6 °F

  • Average 2021–2026

    55.5 °F

  • Average High 2021–2026

    66 °F
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