Sullivan's Gulch Weather Forecast

    • 52
    • 71

    Increasing Clouds

    • 53
    • 70

    Increasing Clouds

    • 54
    • 69

    Mostly Cloudy

    • 48
    • 62

    Rain

    • 49
    • 64

    Mostly Cloudy

    • 48
    • 65

    Mostly Cloudy

    • 49
    • 65

    Mostly Cloudy

Today 22 Sep Inner Portland Metro

Partly sunny in the Morning, then becoming mostly cloudy. A 30 percent chance of rain. Highs in the mid 60s.

Tonight 22 Sep Inner Portland Metro

Partly cloudy. Lows in the lower 50s. Winds light this Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sullivan's Gulch Temperature Statistics

September Temperature

Portland, Portland International Airport (4.3 miles)

  • Lowest 8 September, 2026

    51.7 °F

  • Average September

    64.7 °F

  • Highest 9 September, 2026

    88.6 °F

Climate (2021–2026)

Portland, Portland International Airport (4.3 miles)

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  • Average Low 2021–2026

    48.3 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.4 °F
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