Greenleaf Slough Weather Forecast

    • 46
    • 64

    Chance Rain Showers

    • 46
    • 65

    Partly Sunny

    • 50
    • 71

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 59
    • 83

    Partly Sunny

    • 54
    • 76

    Partly Sunny

Today 29 May West Columbia River Gorge - SR 14

Partly sunny. Highs in the mid 60s. West wind 10 to 15 Mph.

Tonight 29 May West Columbia River Gorge - SR 14

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 40s. Southwest wind 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenleaf Slough Temperature Statistics

May Temperature

Portland, Portland-Troutdale Airport (22.4 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 (22.4 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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