Columbia River - Caterpillar Island Weather Forecast

    • 58
    • 84

    Increasing Clouds

    • 50
    • 75

    Partly Sunny

    • 53
    • 69

    Mostly Cloudy

    • 53
    • 68

    Rain Showers Likely

    • 54
    • 72

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

Today 9 Sep Inner Vancouver Metro

Sunny. Highs in the mid 80s. Winds light.

Tonight 9 Sep Inner Vancouver Metro

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 50s. Winds light in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Columbia River - Caterpillar Island Temperature Statistics

September Temperature

Scappoose Industrial Airpark (6.2 miles)

  • Lowest 4 September, 2026

    49.6 °F

  • Average September

    60.1 °F

  • Highest 5 September, 2026

    72.6 °F

Climate (2021–2026)

Scappoose Industrial Airpark (6.2 miles)

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  • Average Low 2021–2026

    43.9 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.4 °F
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