Bellevue Weather Forecast

    • 63
    • 80

    Chance Rain Showers

    • 62
    • 76

    Chance Rain Showers

    • 61
    • 71

    Chance Rain Showers

    • 61
    • 72

    Rain Showers Likely

    • 59
    • 73

    Rain Showers Likely

    • 60
    • 74

    Chance Rain Showers

Today 5 Sep Eastside

Sunny. Highs in the 80s. Light wind.

Tonight 5 Sep Eastside

Partly cloudy. A slight chance of Showers after midnight. Lows in the lower to mid 60s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bellevue Temperature Statistics

September Temperature

Boeing Field - King County International Airport (6.8 miles)

  • Lowest 1 September, 2025

    60.1 °F

  • Average September

    66.2 °F

  • Highest 2 September, 2025

    77 °F

Climate (2020–Present)

Boeing Field - King County International Airport (6.8 miles)

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  • Average Low 2020–2025

    46.9 °F

  • Average 2020–2025

    54 °F

  • Average High 2020–2025

    61.4 °F
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