Duwamish Waterway Weather Forecast

    • 45
    • 59

    Decreasing Clouds

    • 41
    • 58

    Decreasing Clouds

    • 45
    • 57

    Mostly Cloudy

    • 45
    • 59

    Chance Rain

    • 45
    • 60

    Slight Chance Rain

    • 44
    • 59

    Mostly Cloudy

    • 43
    • 59

    Partly Sunny

Today 22 Oct City of Seattle

Partly sunny. Highs in the mid to upper 50s.

Tonight 22 Oct City of Seattle

Mostly cloudy in the evening then becoming partly cloudy. Lows in the 40s. North wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duwamish Waterway Temperature Statistics

October Temperature

Boeing Field - King County International Airport (0.6 miles)

  • Lowest 12 October, 2026

    37.9 °F

  • Average October

    56.6 °F

  • Highest 16 October, 2026

    78.1 °F

Climate (2021–2026)

Boeing Field - King County International Airport (0.6 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.7 °F
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