Hells Gate State Park Weather Forecast

    • 46
    • 70

    Chance Rain Showers

    • 48
    • 74

    Mostly Sunny

    • 50
    • 78

    Partly Sunny

    • 51
    • 82

    Partly Sunny

    • 53
    • 83

    Chance Rain Showers

    • 51
    • 80

    Mostly Sunny

Today 30 May Lewiston Area

Mostly cloudy. A chance of rain Showers in the morning. Highs in the 60s. Chance of precipitation 30 percent.

Tonight 30 May Lewiston Area

Mostly cloudy. Lows in the 40s.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hells Gate State Park Temperature Statistics

May Temperature

Lewiston, Lewiston-Nez Perce County Airport (1.9 miles)

  • Lowest 17 May, 2026

    41.6 °F

  • Average May

    63.3 °F

  • Highest 12 May, 2026

    90.6 °F

Climate (2021–Present)

Lewiston, Lewiston-Nez Perce County Airport (1.9 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    55.8 °F

  • Average High 2021–2026

    66.2 °F
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