Olo Mountain Weather Forecast

    • 41
    • 49

    Mostly Cloudy

    • 42
    • 52

    Chance Rain

    • 42
    • 51

    Chance Rain

    • 38
    • 47

    Rain Likely

    • 36
    • 44

    Chance Rain

    • 33
    • 45

    Chance Rain

    • 32
    • 47

    Partly Sunny

Today 24 Oct Cascades of Snohomish and Northern King Counties

Partly sunny. Freezing level near 8000 feet. Afternoon pass Temperatures in the mid 40s. Light wind.

Tonight 24 Oct Cascades of Snohomish and Northern King Counties

Mostly cloudy. Freezing level near 8000 feet. Lows in the mid 30s. Light wind becoming northeast around 10 Mph with Gusts to 20 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olo Mountain Temperature Statistics

October Temperature

Arlington Municipal Airport (13.7 miles)

  • Lowest 12 October, 2026

    32 °F

  • Average October

    52.4 °F

  • Highest 16 October, 2026

    78.1 °F

Climate (2021–2026)

Arlington Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    60 °F
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