Union Bay Weather Forecast

    • 51
    • 70

    Chance Rain Showers

    • 48
    • 64

    Rain Showers

    • 46
    • 60

    Rain Showers

    • 51
    • 68

    Mostly Cloudy

    • 50
    • 65

    Chance Rain Showers

    • 50
    • 67

    Chance Rain Showers

    • 52
    • 67

    Chance Rain Showers

Today 4 Jun City of Seattle

Cloudy with a chance of Showers in the Morning, then mostly sunny in the afternoon. Highs in the mid 60s to lower 70s. South wind around 10 Mph becoming southwest to 10 Mph in the afternoon.

Tonight 4 Jun City of Seattle

Partly cloudy in the evening then becoming mostly cloudy. Lows near 50. North wind to 10 Mph becoming south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Union Bay Temperature Statistics

June Temperature

Boeing Field - King County International Airport (6.8 miles)

  • Lowest 1 June, 2026

    50 °F

  • Average June

    67.6 °F

  • Highest 2 June, 2026

    84.9 °F

Climate (2021–Present)

Boeing Field - King County International Airport (6.8 miles)

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  • Average Low 2021–2026

    47.2 °F

  • Average 2021–2026

    54.3 °F

  • Average High 2021–2026

    61.7 °F
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