Bellevue Weather Forecast

    • 48
    • 68

    Mostly Cloudy

    • 50
    • 67

    Mostly Cloudy

    • 51
    • 70

    Partly Sunny

    • 53
    • 75

    Partly Sunny

    • 53
    • 73

    Partly Sunny

    • 51
    • 73

    Partly Sunny

Today 18 May Eastside

Partly sunny. Highs in the mid 60s to lower 70s. Light wind.

Tonight 18 May Eastside

Partly cloudy. Lows in the mid 40s to lower 50s. North wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bellevue Temperature Statistics

May Temperature

Boeing Field - King County International Airport (6.8 miles)

  • Lowest 16 May, 2026

    46 °F

  • Average May

    59.3 °F

  • Highest 12 May, 2026

    80.1 °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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