Greenleaf Slough Weather Forecast

    • 67
    • 98

    Hot

    • 61
    • 91

    Mostly Sunny

    • 57
    • 80

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 57
    • 81

    Mostly Sunny

    • 58
    • 82

    Mostly Sunny

Today 30 Jun West Columbia River Gorge - SR 14

Sunny. Highs in the upper 90s. Northeast wind 5 to 10 Mph, becoming west this afternoon.

Tonight 30 Jun West Columbia River Gorge - SR 14

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. West wind 5 to 10 Mph.

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Greenleaf Slough Temperature Statistics

June Temperature

Portland, Portland-Troutdale Airport (22.4 miles)

  • Lowest 3 June, 2025

    45.6 °F

  • Average June

    62.8 °F

  • Highest 24 June, 2025

    85.6 °F

Climate (2020–Present)

Portland, Portland-Troutdale Airport (22.4 miles)

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  • Average Low 2020–2025

    47.5 °F

  • Average 2020–2025

    56 °F

  • Average High 2020–2025

    65.1 °F
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