Greenleaf Peak Weather Forecast

    • 40
    • 54

    Chance Rain Showers

    • 39
    • 55

    Partly Sunny

    • 44
    • 61

    Mostly Sunny

    • 54
    • 71

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 51
    • 68

    Partly Sunny

Today 29 May South Washington Cascades

Partly sunny. Free air freezing level 8000 feet. West wind 10 to 15 Mph.

Tonight 29 May South Washington Cascades

Partly cloudy in the Evening, then becoming mostly cloudy. Free air freezing level 6500 Feet, decreasing to free air freezing level 5000 feet after midnight. Northwest wind 10 to 15 Mph.

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Greenleaf Peak Temperature Statistics

May Temperature

Portland, Portland-Troutdale Airport (23.6 miles)

  • Lowest 15 May, 2026

    44.7 °F

  • Average May

    61.5 °F

  • Highest 3 May, 2026

    91.7 °F

Climate (2021–Present)

Portland, Portland-Troutdale Airport (23.6 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.4 °F
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