Bellevue Weather Forecast

    • 50
    • 69

    Decreasing Clouds

    • 52
    • 75

    Mostly Sunny

    • 54
    • 77

    Mostly Sunny

    • 53
    • 76

    Partly Sunny

    • 51
    • 71

    Chance Rain

    • 47
    • 61

    Rain Likely

Today 20 May Eastside

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

Tonight 20 May Eastside

Partly cloudy. Lows near 50. Light wind.

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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 17 May, 2026

    43 °F

  • Average May

    58.9 °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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