Duvall Weather Forecast

    • 49
    • 66

    Decreasing Clouds

    • 47
    • 66

    Mostly Cloudy

    • 50
    • 63

    Rain

    • 46
    • 59

    Rain Showers

    • 45
    • 62

    Mostly Cloudy

    • 46
    • 63

    Chance Rain

    • 48
    • 63

    Chance Rain

Today 22 Sep Foothills and Valleys of Snohomish and Northern King Counties

Mostly cloudy with a chance of rain. Highs in the lower to mid 60s.

Tonight 22 Sep Foothills and Valleys of Snohomish and Northern King Counties

Mostly cloudy. Lows near 50. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duvall Temperature Statistics

September Temperature

Everett Snohomish County (18 miles)

  • Lowest 20 September, 2026

    50 °F

  • Average September

    59.3 °F

  • Highest 9 September, 2026

    73.9 °F

Climate (2021–2026)

Everett Snohomish County (18 miles)

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  • Average Low 2021–2026

    46.5 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    59.2 °F
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