Stimson Hill Weather Forecast

    • 44
    • 64

    Mostly Cloudy

    • 41
    • 59

    Mostly Cloudy

    • 44
    • 65

    Mostly Sunny

    • 50
    • 74

    Mostly Cloudy

    • 47
    • 71

    Chance Rain

    • 43
    • 66

    Chance Rain

    • 40
    • 60

    Chance Rain

Today 9 May Foothills and Valleys of the North Cascades

Mostly sunny. Highs in the upper 60s to mid 70s. Light wind.

Tonight 9 May Foothills and Valleys of the North Cascades

Mostly cloudy. Lows in the mid to upper 40s. Light wind.

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  • Temperature Real-Time

Stimson Hill Temperature Statistics

May Temperature

Arlington Municipal Airport (9.9 miles)

  • Lowest 1 May, 2026

    46 °F

  • Average May

    59.7 °F

  • Highest 4 May, 2026

    79 °F

Climate (2021–Present)

Arlington Municipal Airport (9.9 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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