Riley Lake Weather Forecast

    • 49
    • 71

    Partly Sunny

    • 46
    • 73

    Rain

    • 44
    • 60

    Rain

    • 41
    • 54

    Rain

    • 38
    • 54

    Rain

    • 42
    • 61

    Rain Likely

    • 39
    • 54

    Rain

Today 25 Mar West Slopes North Central Cascades and Passes

Partly sunny. A slight chance of rain and snow in the morning. Snow level near 8000 feet.

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Riley Lake Temperature Statistics

March Temperature

Arlington Municipal Airport (11.2 miles)

  • Lowest 6 March, 2025

    28 °F

  • Average March

    44.6 °F

  • Highest 1 March, 2025

    62.1 °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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