Columbia River - Green Point Weather Forecast

    • 58
    • 71

    Chance Rain Showers

    • 56
    • 68

    Chance Rain Showers

    • 56
    • 66

    Mostly Cloudy

    • 55
    • 67

    Mostly Cloudy

    • 56
    • 71

    Mostly Cloudy

    • 57
    • 72

    Rain Showers Likely

Today 8 Sep Lower Columbia River

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the upper 70s. Winds light. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 8 Sep Lower Columbia River

A slight chance of Thunderstorms in the evening. Mostly cloudy with a chance of Showers. Lows in the upper 50s. Winds light. Chance of rain 50 percent. Rainfall Amounts around a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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Columbia River - Green Point Temperature Statistics

September Temperature

Southwest Washington Regional Airport (9.9 miles)

  • Lowest 2 September, 2025

    55.9 °F

  • Average September

    66.8 °F

  • Highest 2 September, 2025

    88 °F

Climate (2020–Present)

Southwest Washington Regional Airport (9.9 miles)

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  • Average Low 2020–2025

    45 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.3 °F
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