Columbia River - Government Island Weather Forecast

    • 52
    • 57

    Rain

    • 55
    • 59

    Rain

    • 51
    • 58

    Rain Likely

    • 47
    • 58

    Mostly Cloudy

    • 48
    • 56

    Rain Likely

    • 48
    • 55

    Rain Likely

Today 9 Dec Inner Portland Metro

Rain. Highs in the upper 50s. Northeast wind 5 to 10 Mph, becoming south 10 to 15 Mph this afternoon. Chance of rain near 100 percent. Rainfall Amounts a half of an inch to one inch.

Tonight 9 Dec Inner Portland Metro

Rain. Lows in the lower 50s. Southwest wind 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain near 100 percent. Rainfall Amounts a quarter to a half of an inch.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Columbia River - Government Island Temperature Statistics

December Temperature

Portland, Portland International Airport (5 miles)

  • Lowest 1 December, 2025

    33.1 °F

  • Average December

    46.9 °F

  • Highest 5 December, 2025

    57.9 °F

Climate (2020–Present)

Portland, Portland International Airport (5 miles)

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

  • Average Low 2020–2025

    48.4 °F

  • Average 2020–2025

    56.2 °F

  • Average High 2020–2025

    65.4 °F
Get WillyWeather+ to remove ads