Duwamish Waterway Weather Forecast

    • 43
    • 54

    Rain

    • 42
    • 54

    Rain

    • 38
    • 51

    Rain

    • 36
    • 54

    Slight Chance Rain

    • 40
    • 58

    Partly Sunny

    • 44
    • 62

    Mostly Cloudy

Today 23 Mar City of Seattle

Mostly sunny. Highs in the lower to mid 50s. Light wind becoming north to 10 Mph in the afternoon.

Tonight 23 Mar City of Seattle

Cloudy. A slight chance of rain after midnight. A chance of rain in the morning. Lows in the lower to mid 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

March Temperature

Boeing Field - King County International Airport (0.6 miles)

  • Lowest 13 March, 2026

    32 °F

  • Average March

    46.7 °F

  • Highest 2 March, 2026

    59 °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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