Stimson Hill Weather Forecast

    • 47
    • 59

    Decreasing Clouds

    • 51
    • 69

    Partly Sunny

    • 51
    • 65

    Chance Rain

    • 49
    • 60

    Rain

    • 48
    • 59

    Rain Showers Likely

    • 48
    • 62

    Chance Rain

Today 30 Aug Foothills and Valleys of the North Cascades

Mostly cloudy. Patchy fog in the morning. A slight chance of Showers late in the morning. Highs in the mid 60s to lower 70s. South wind to 10 Mph.

Tonight 30 Aug Foothills and Valleys of the North Cascades

Partly cloudy. Lows near 50. Light wind.

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Stimson Hill Temperature Statistics

August Temperature

Arlington Municipal Airport (9.9 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 (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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