South - Lake Union Weather Forecast

    • 42
    • 60

    Decreasing Clouds

    • 41
    • 59

    Partly Sunny

    • 46
    • 58

    Mostly Cloudy

    • 47
    • 54

    Rain

    • 43
    • 51

    Rain

    • 39
    • 51

    Chance Rain

    • 36
    • 50

    Mostly Cloudy

Today 4 Feb City of Seattle

Mostly cloudy. Patchy fog in the morning. Widespread fog late in the morning. Highs near 60. Light wind.

Tonight 4 Feb City of Seattle

Mostly clear. Lows in the lower to mid 40s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South - Lake Union Temperature Statistics

February Temperature

Boeing Field - King County International Airport (5.6 miles)

  • Lowest 1 February, 2026

    42.1 °F

  • Average February

    49.1 °F

  • Highest 1 February, 2026

    54 °F

Climate (2021–Present)

Boeing Field - King County International Airport (5.6 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    61.6 °F
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