Greenleaf Slough Weather Forecast

    • 42
    • 52

    Mostly Cloudy

    • 43
    • 53

    Chance Rain

    • 47
    • 56

    Slight Chance Rain

    • 44
    • 60

    Partly Sunny

    • 43
    • 59

    Mostly Sunny

    • 41
    • 56

    Mostly Sunny

Today 10 Jan West Columbia River Gorge - SR 14

Mostly cloudy this Morning, then becoming partly sunny. Highs in the lower 50s. Northeast wind 5 to 10 Mph.

Tonight 10 Jan West Columbia River Gorge - SR 14

Mostly cloudy. A slight chance of rain after midnight. Lows in the lower 40s. Northeast wind 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenleaf Slough Temperature Statistics

January Temperature

Portland, Portland-Troutdale Airport (22.4 miles)

  • Lowest 5 January, 2026

    35.1 °F

  • Average January

    42.3 °F

  • Highest 4 January, 2026

    52 °F

Climate (2021–Present)

Portland, Portland-Troutdale Airport (22.4 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    56.2 °F

  • Average High 2021–2026

    65.2 °F
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