Olo Mountain Weather Forecast

    • 45
    • 63

    Chance Rain Showers

    • 43
    • 50

    Rain Showers Likely

    • 40
    • 51

    Chance Rain

    • 39
    • 44

    Chance Rain

    • 37
    • 43

    Rain/Snow

    • 33
    • 44

    Rain/Snow Likely

Today 10 Apr Cascades of Snohomish and Northern King Counties

Mostly sunny. Freezing level near 9000 feet. Afternoon pass Temperatures in the upper 50s. Light wind.

Tonight 10 Apr Cascades of Snohomish and Northern King Counties

Mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Snow level near 7000 feet. Lows around 40. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olo Mountain Temperature Statistics

April Temperature

Arlington Municipal Airport (13.7 miles)

  • Lowest 4 April, 2026

    33.8 °F

  • Average April

    49.1 °F

  • Highest 6 April, 2026

    69.1 °F

Climate (2021–Present)

Arlington Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.9 °F

  • Average High 2021–2026

    59.9 °F
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