Northwest Seattle Weather Forecast

    • 33
    • 44

    Rain/Snow Likely

    • 32
    • 39

    Increasing Clouds

    • 34
    • 41

    Mostly Cloudy

    • 35
    • 44

    Mostly Cloudy

    • 37
    • 46

    Mostly Cloudy

    • 40
    • 46

    Chance Rain

    • 40
    • 48

    Chance Rain

Today 26 Dec City of Seattle

Rain likely early in the Afternoon, then mostly cloudy with a chance of rain late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the lower to mid 40s. Southwest wind 10 to 15 Mph.

Tonight 26 Dec City of Seattle

Mostly cloudy until early morning then becoming partly cloudy. Rain and snow likely in the Evening, then a chance of rain after midnight. No snow accumulation. Lows in the lower to mid 30s. Southwest wind 10 to 15 Mph becoming west after midnight.

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Northwest Seattle Temperature Statistics

December Temperature

Boeing Field - King County International Airport (10.6 miles)

  • Lowest 1 December, 2025

    34 °F
  • Average December

    47.8 °F
  • Highest 15 December, 2025

    59 °F

Climate (2020–Present)

Boeing Field - King County International Airport (10.6 miles)

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  • Average Low 2020–2025

    47.1 °F
  • Average 2020–2025

    54.2 °F
  • Average High 2020–2025

    61.5 °F
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