Junction Weather Forecast

    • 54
    • 69

    Decreasing Clouds

    • 55
    • 70

    Partly Sunny

    • 55
    • 67

    Mostly Cloudy

    • 54
    • 66

    Mostly Cloudy

    • 53
    • 64

    Mostly Cloudy

    • 52
    • 62

    Mostly Cloudy

Today 20 Sep City of Seattle

Partly sunny in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 60s to mid 70s. Light wind becoming north to 10 Mph in the afternoon.

Tonight 20 Sep City of Seattle

Mostly clear. Lows in the lower to mid 50s. North wind to 10 Mph in the evening becoming light.

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  • Temperature Real-Time

Junction Temperature Statistics

September Temperature

Boeing Field - King County International Airport (3.1 miles)

  • Lowest 5 September, 2026

    53.1 °F
  • Average September

    62.6 °F
  • Highest 9 September, 2026

    78.1 °F

Climate (2021–2026)

Boeing Field - King County International Airport (3.1 miles)

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  • Average Low 2021–2026

    47.2 °F
  • Average 2021–2026

    54.2 °F
  • Average High 2021–2026

    61.6 °F
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