Olo Mountain Weather Forecast

    • 37
    • 55

    Mostly Sunny

    • 38
    • 57

    Mostly Sunny

    • 40
    • 57

    Partly Sunny

    • 41
    • 58

    Slight Chance Rain Showers

    • 41
    • 60

    Mostly Sunny

    • 43
    • 63

    Mostly Sunny

Today 24 Apr Cascades of Snohomish and Northern King Counties

Sunny. Freezing level near 4500 feet increasing to 5500 feet in the afternoon. Afternoon pass Temperatures in the upper 40s. Light wind.

Tonight 24 Apr Cascades of Snohomish and Northern King Counties

Mostly clear. Freezing level near 6000 feet. Lows in the upper 20s. Light wind.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Olo Mountain Temperature Statistics

April Temperature

Arlington Municipal Airport (13.7 miles)

  • Lowest 8 April, 2026

    30 °F

  • Average April

    49 °F

  • Highest 19 April, 2026

    73 °F

Climate (2021–Present)

Arlington Municipal Airport (13.7 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.6 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.9 °F
Get WillyWeather+ to remove ads