Duwamish Waterway Weather Forecast

    • 51
    • 74

    Partly Sunny

    • 50
    • 73

    Mostly Cloudy

    • 51
    • 61

    Rain Likely

    • 48
    • 58

    Chance Rain

    • 45
    • 65

    Partly Sunny

    • 46
    • 68

    Mostly Sunny

    • 47
    • 68

    Mostly Sunny

Today 19 Apr City of Seattle

Partly sunny. Highs in the upper 60s to mid 70s. North wind to 10 Mph.

Tonight 19 Apr City of Seattle

Partly cloudy. Lows in the lower 50s. North wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Duwamish Waterway Temperature Statistics

April Temperature

Boeing Field - King County International Airport (0.6 miles)

  • Lowest 8 April, 2026

    37 °F

  • Average April

    51 °F

  • Highest 6 April, 2026

    72 °F

Climate (2021–Present)

Boeing Field - King County International Airport (0.6 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    54.2 °F

  • Average High 2021–2026

    61.6 °F
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