Olo Mountain Weather Forecast

    • 47
    • 57

    Rain

    • 46
    • 58

    Mostly Cloudy

    • 51
    • 67

    Partly Sunny

    • 50
    • 64

    Rain Likely

    • 48
    • 57

    Rain

    • 47
    • 59

    Rain Likely

Today 29 Aug Cascades of Snohomish and Northern King Counties

Showers in the morning. A slight chance of Thunderstorms through the day. Rain Showers and snow Showers likely in the afternoon. Snow level near 7000 feet. Rainfall Amounts a quarter to a half inch Possible, except higher Amounts possible in Thunderstorms. No snow accumulation. Afternoon pass Temperatures around 50. West wind in the Passes around 10 Mph in the morning becoming light. Gusts to 20 Mph.

Tonight 29 Aug Cascades of Snohomish and Northern King Counties

Mostly cloudy with a slight chance of Showers. Snow level near 7000 feet. Lows in the lower 40s. West wind in the Passes around 10 Mph in the evening becoming light. Gusts to 20 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Olo Mountain Temperature Statistics

August Temperature

Arlington Municipal Airport (13.7 miles)

  • Lowest 3 August, 2026

    46.4 °F

  • Average August

    64.6 °F

  • Highest 25 August, 2026

    89.1 °F

Climate (2021–2026)

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

    50.9 °F

  • Average High 2021–2026

    59.9 °F
Get WillyWeather+ to remove ads