Downtown Seattle Weather Forecast

    • 32
    • 48

    Increasing Clouds

    • 32
    • 43

    Mostly Cloudy

    • 31
    • 45

    Mostly Sunny

    • 30
    • 44

    Partly Sunny

    • 32
    • 44

    Chance Rain/Snow

    • 36
    • 46

    Chance Rain

    • 39
    • 50

    Mostly Cloudy

Today 21 Jan City of Seattle

Sunny. Highs in the mid to upper 40s. Light wind.

Tonight 21 Jan City of Seattle

Mostly clear in the evening then becoming mostly cloudy. Lows in the lower to mid 30s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Downtown Seattle Temperature Statistics

January Temperature

Boeing Field - King County International Airport (4.3 miles)

  • Lowest 19 January, 2026

    30.9 °F

  • Average January

    45 °F

  • Highest 13 January, 2026

    59 °F

Climate (2021–Present)

Boeing Field - King County International Airport (4.3 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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