Greenleaf Basin Weather Forecast

    • 36
    • 45

    Mostly Cloudy

    • 38
    • 47

    Chance Rain

    • 41
    • 49

    Chance Rain

    • 38
    • 54

    Partly Sunny

    • 37
    • 52

    Mostly Sunny

    • 35
    • 49

    Mostly Sunny

Today 10 Jan South Washington Cascades

Mostly cloudy this Morning, then becoming partly sunny. Free air freezing level 8000 feet. Southeast wind 5 to 10 Mph.

Tonight 10 Jan South Washington Cascades

Mostly cloudy with a chance of rain with a slight chance of snow. Snow level 4000 feet. Little or no snow accumulation. Southeast wind 5 to 10 Mph. Chance of precipitation 50 percent. Rainfall Amounts less than a tenth of an inch.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Greenleaf Basin Temperature Statistics

January Temperature

Portland, Portland-Troutdale Airport (23.6 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 (23.6 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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