Portland Japanese Garden Weather Forecast

    • 54
    • 85

    Chance Rain Showers

    • 46
    • 65

    Chance Rain Showers

    • 45
    • 66

    Partly Sunny

    • 49
    • 72

    Mostly Sunny

    • 58
    • 86

    Mostly Sunny

    • 60
    • 91

    Partly Sunny

Today 28 May West Hills and Chehalem Mountains

Sunny. Highs in the lower 80s. Northwest wind 5 to 10 Mph.

Tonight 28 May West Hills and Chehalem Mountains

Mostly clear. Lows in the lower 50s. Winds light.

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Portland Japanese Garden Temperature Statistics

May Temperature

Portland, Portland International Airport (6.8 miles)

  • Lowest 17 May, 2026

    41.6 °F

  • Average May

    62.3 °F

  • Highest 3 May, 2026

    91.7 °F

Climate (2021–Present)

Portland, Portland International Airport (6.8 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    56.4 °F

  • Average High 2021–2026

    65.6 °F
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