Riley Lake Weather Forecast

    • 31
    • 49

    Sunny

    • 31
    • 50

    Sunny

    • 31
    • 50

    Mostly Sunny

    • 37
    • 47

    Rain Showers

    • 32
    • 46

    Rain Showers

    • 28
    • 40

    Rain/Snow

    • 23
    • 38

    Snow Showers

Today 27 Jan West Slopes North Central Cascades and Passes

Sunny. Freezing level near 10500 feet. Afternoon pass Temperatures in the mid to upper 30s. Light wind in the Passes.

Tonight 27 Jan West Slopes North Central Cascades and Passes

Clear. Freezing level near 9000 feet. Light wind in the Passes.

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Riley Lake Temperature Statistics

January Temperature

Arlington Municipal Airport (11.2 miles)

  • Lowest 25 January, 2025

    19 °F

  • Average January

    36.2 °F

  • Highest 9 January, 2025

    53.1 °F

Climate (2020–Present)

Arlington Municipal Airport (11.2 miles)

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  • Average Low 2020–2025

    42.3 °F

  • Average 2020–2025

    50.4 °F

  • Average High 2020–2025

    59.5 °F
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