Cornelius Weather Forecast

    • 40
    • 55

    Rain Showers Likely

    • 36
    • 52

    Chance Rain Showers

    • 38
    • 50

    Rain Likely

    • 35
    • 49

    Slight Chance Rain

    • 34
    • 51

    Partly Sunny

    • 35
    • 51

    Chance Rain

Today 15 Nov Tualatin Valley

Partly sunny with a chance of rain this Morning, then mostly cloudy with rain likely this afternoon. Highs in the mid 50s. South wind 5 to 10 Mph. Chance of rain 70 percent. Rainfall Amounts around a tenth of an inch.

Tonight 15 Nov Tualatin Valley

Mostly cloudy with a 50 percent chance of rain. Patchy fog. Lows in the lower 40s. Winds light in the Evening, becoming light and variable. Rainfall Amounts less than a tenth of an inch.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Cornelius Temperature Statistics

November Temperature

Portland-Hillsboro Airport (5 miles)

  • Lowest 1 November, 2026

    33.7 °F

  • Average November

    50.9 °F

  • Highest 7 November, 2026

    62.7 °F

Climate (2021–2026)

Portland-Hillsboro Airport (5 miles)

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

  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.9 °F

  • Average High 2021–2026

    64.5 °F
Get WillyWeather+ to remove ads