Sauk Mountain Weather Forecast

    • 42
    • 46

    Mostly Cloudy

    • 44
    • 53

    Mostly Sunny

    • 46
    • 57

    Partly Sunny

    • 48
    • 56

    Partly Sunny

    • 44
    • 55

    Mostly Cloudy

    • 42
    • 52

    Chance Rain/Snow

Today 19 May Cascades of Whatcom and Skagit Counties

Mostly cloudy. A slight chance of rain in the Morning, then a slight chance of rain and snow in the afternoon. Snow level near 6000 feet.

Tonight 19 May Cascades of Whatcom and Skagit Counties

Mostly cloudy. Freezing level near 7500 feet.

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Sauk Mountain Temperature Statistics

May Temperature

Arlington Municipal Airport (35.4 miles)

  • Lowest 16 May, 2026

    42.8 °F
  • Average May

    56.9 °F
  • Highest 12 May, 2026

    84 °F

Climate (2021–Present)

Arlington Municipal Airport (35.4 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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