West Bellevue Weather Forecast

    • 54
    • 74

    Mostly Sunny

    • 54
    • 75

    Increasing Clouds

    • 55
    • 73

    Partly Sunny

    • 53
    • 70

    Mostly Cloudy

    • 53
    • 69

    Mostly Cloudy

    • 52
    • 65

    Mostly Cloudy

    • 50
    • 65

    Slight Chance Rain

Today 19 Sep Eastside

Partly sunny. Highs in the mid 60s.

Tonight 19 Sep Eastside

Mostly clear. Lows in the lower to mid 50s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Bellevue Temperature Statistics

September Temperature

Boeing Field - King County International Airport (6.2 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 (6.2 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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