Elk River Weather Forecast

    • 54
    • 82

    Mostly Sunny

    • 53
    • 83

    Mostly Sunny

    • 53
    • 81

    Mostly Sunny

    • 44
    • 65

    Chance Rain

    • 47
    • 71

    Sunny

    • 51
    • 80

    Mostly Sunny

Today 18 Sep Northern Clearwater Mountains

Sunny. Highs in the upper 70s to mid 80s.

Tonight 18 Sep Northern Clearwater Mountains

Clear in the evening then becoming partly cloudy. Lows in the 40s.

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Elk River Temperature Statistics

September Temperature

Pullman / Moscow Regional Airport (44.1 miles)

  • Lowest 10 September, 2025

    50 °F

  • Average September

    69 °F

  • Highest 1 September, 2025

    97 °F

Climate (2020–Present)

Pullman / Moscow Regional Airport (44.1 miles)

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  • Average Low 2020–2025

    39.2 °F

  • Average 2020–2025

    49.3 °F

  • Average High 2020–2025

    59.2 °F
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