Olo Mountain Weather Forecast

    • 40
    • 45

    Rain

    • 33
    • 43

    Rain/Snow

    • 30
    • 38

    Snow Likely

    • 34
    • 38

    Rain/Snow

    • 39
    • 41

    Rain/Snow Likely

    • 39
    • 44

    Rain/Snow Likely

Today 22 Nov Cascades of Snohomish and Northern King Counties

Mostly cloudy with a chance of rain and snow until late Afternoon, then mostly cloudy with rain and snow late in the afternoon. Patchy dense fog late in the morning. Snow level near 6500 feet. Rainfall Amounts a tenth to a quarter of an inch possible. No snow accumulation. Afternoon pass Temperatures around 40. Light wind.

Tonight 22 Nov Cascades of Snohomish and Northern King Counties

Rain and snow likely in the Evening, then rain and snow after midnight. Snow level near 6000 feet. Rainfall Amounts a quarter to a half inch possible. No snow accumulation. Lows in the mid 30s. Light wind.

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Olo Mountain Temperature Statistics

November Temperature

Arlington Municipal Airport (13.7 miles)

  • Lowest 4 November, 2025

    30.9 °F
  • Average November

    48.3 °F
  • Highest 1 November, 2025

    61 °F

Climate (2020–Present)

Arlington Municipal Airport (13.7 miles)

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  • Average Low 2020–2025

    42.4 °F
  • Average 2020–2025

    50.7 °F
  • Average High 2020–2025

    59.8 °F
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