Columbia River - Lemon Island Weather Forecast

    • 46
    • 71

    Mostly Sunny

    • 50
    • 68

    Partly Sunny

    • 54
    • 67

    Chance Rain

    • 52
    • 70

    Mostly Cloudy

    • 53
    • 71

    Mostly Cloudy

    • 51
    • 69

    Partly Sunny

Today 27 Sep Inner Portland Metro

Mostly sunny. Highs in the lower 70s. Winds light.

Tonight 27 Sep Inner Portland Metro

Mostly clear. Lows in the mid 40s. Winds light in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Columbia River - Lemon Island Temperature Statistics

September Temperature

Portland, Portland International Airport (1.9 miles)

  • Lowest 24 September, 2026

    50.6 °F

  • Average September

    64.5 °F

  • Highest 9 September, 2026

    88.6 °F

Climate (2021–2026)

Portland, Portland International Airport (1.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    48.3 °F

  • Average 2021–2026

    56.3 °F

  • Average High 2021–2026

    65.4 °F
Get WillyWeather+ to remove ads