Northwest Seattle Weather Forecast

    • 33
    • 48

    Decreasing Clouds

    • 32
    • 47

    Increasing Clouds

    • 33
    • 45

    Partly Sunny

    • 30
    • 45

    Mostly Sunny

    • 31
    • 45

    Partly Sunny

    • 36
    • 44

    Chance Rain

    • 39
    • 47

    Chance Rain

Today 20 Jan City of Seattle

Mostly cloudy until late afternoon then becoming mostly sunny. Patchy fog in the morning. Highs near 50. Light wind.

Tonight 20 Jan City of Seattle

Mostly clear. Lows in the lower to mid 30s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Northwest Seattle Temperature Statistics

January Temperature

Boeing Field - King County International Airport (10.6 miles)

  • Lowest 18 January, 2026

    32 °F

  • Average January

    45.4 °F

  • Highest 13 January, 2026

    59 °F

Climate (2021–Present)

Boeing Field - King County International Airport (10.6 miles)

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  • Average Low 2021–2026

    47.1 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    61.5 °F
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