Hillside Weather Forecast

    • 52
    • 65

    Rain

    • 52
    • 63

    Rain Likely

    • 52
    • 67

    Partly Sunny

    • 53
    • 69

    Mostly Sunny

    • 56
    • 80

    Mostly Sunny

    • 57
    • 83

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

Today 12 Sep West Hills and Chehalem Mountains

Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms. Highs in the mid 60s. Winds light. Chance of rain 40 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 12 Sep West Hills and Chehalem Mountains

Mostly cloudy. Showers likely with a slight chance of Thunderstorms this Evening, then a chance of rain after midnight. Lows in the lower 50s. Southwest wind 5 to 10 Mph. Chance of rain 70 percent. Rainfall Amounts around a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hillside Temperature Statistics

September Temperature

Portland, Portland International Airport (6.8 miles)

  • Lowest 8 September, 2026

    51.7 °F

  • Average September

    64.8 °F

  • Highest 9 September, 2026

    87.1 °F

Climate (2021–2026)

Portland, Portland International Airport (6.8 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