Duwamish Waterway Weather Forecast

    • 58
    • 74

    Increasing Clouds

    • 57
    • 74

    Rain Likely

    • 55
    • 71

    Rain Likely

    • 55
    • 72

    Mostly Cloudy

    • 57
    • 74

    Mostly Cloudy

    • 56
    • 73

    Chance Rain

    • 55
    • 69

    Rain Likely

Today 27 Aug City of Seattle

Cloudy in the morning then becoming partly sunny. Highs in the upper 60s to mid 70s. South wind 10 to 15 Mph becoming southwest in the afternoon.

Tonight 27 Aug City of Seattle

Mostly clear in the evening then becoming mostly cloudy. Lows in the mid to upper 50s. Southwest wind 10 to 15 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duwamish Waterway Temperature Statistics

August Temperature

Boeing Field - King County International Airport (0.6 miles)

  • Lowest 3 August, 2026

    55 °F

  • Average August

    68.4 °F

  • Highest 6 August, 2026

    86 °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

    54.2 °F

  • Average High 2021–2026

    61.6 °F
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