Riggins Weather Forecast

    • 54
    • 86

    Becoming Sunny

    • 54
    • 85

    Partly Sunny

    • 57
    • 93

    Partly Sunny

    • 49
    • 79

    Chance Rain

    • 48
    • 71

    Partly Sunny

    • 48
    • 73

    Partly Sunny

Today 22 Sep Lower Hells Canyon/Salmon River Region

Mostly cloudy. Highs in the lower 70s to mid 80s.

Tonight 22 Sep Lower Hells Canyon/Salmon River Region

Partly cloudy in the evening then clearing. Lows in the 50s.

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Riggins Temperature Statistics

September Temperature

Lowell (60.3 miles)

  • Lowest 15 September, 2026

    46 °F

  • Average September

    59.3 °F

  • Highest 5 September, 2026

    81 °F

Climate (2021–2026)

Lowell (60.3 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    62.6 °F
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