Olo Mountain Weather Forecast

    • 35
    • 39

    Rain/Snow

    • 41
    • 42

    Rain

    • 39
    • 45

    Rain

    • 32
    • 44

    Snow

    • 28
    • 37

    Snow

    • 30
    • 37

    Snow

    • 33
    • 40

    Snow

Today 5 Mar Cascades of Snohomish and Northern King Counties

Rain and snow in the Morning, then rain and snow likely in the afternoon. Snow level near 3000 feet. Rainfall Amounts a quarter to a half inch possible. Snow accumulation of 1 to 3 Inches. Afternoon pass Temperatures in the lower 30s. West wind in the Passes 10 to 15 Mph with Gusts to 25 Mph.

Tonight 5 Mar Cascades of Snohomish and Northern King Counties

Mostly cloudy with a chance of rain and snow until early Morning, then rain and snow in the morning. Snow level near 3500 feet. Rainfall Amounts a quarter to a half inch possible. Snow accumulation up to 3 Inches. Lows in the upper 20s. West wind in the Passes around 10 Mph in the evening becoming light. Gusts to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Olo Mountain Temperature Statistics

March Temperature

Arlington Municipal Airport (13.7 miles)

  • Lowest 2 March, 2026

    27 °F

  • Average March

    45.1 °F

  • Highest 2 March, 2026

    59 °F

Climate (2021–Present)

Arlington Municipal Airport (13.7 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.9 °F
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