Duwamish Waterway Weather Forecast

    • 35
    • 40

    Rain/Snow

    • 33
    • 46

    Slight Chance Rain/Snow

    • 41
    • 47

    Rain

    • 46
    • 53

    Rain

    • 49
    • 57

    Rain

    • 50
    • 59

    Rain

    • 46
    • 60

    Rain Likely

Today 13 Mar City of Seattle

Snow in the morning. Rain through the day. A slight chance of snow in the afternoon. Patchy fog in the afternoon. No snow accumulation. Highs in the lower 40s. Light wind.

Tonight 13 Mar City of Seattle

Patchy fog in the evening. Rain at Times in the Evening, then cloudy with a chance of rain after midnight. Rainfall Amounts less than a tenth of an inch likely. Lows in the mid to upper 30s. Light wind.

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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 2 March, 2026

    34 °F

  • Average March

    47.1 °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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