Clatskanie Weather Forecast

    • 54
    • 67

    Cloudy

    • 54
    • 66

    Rain Showers Likely

    • 53
    • 67

    Chance Rain Showers

    • 52
    • 70

    Partly Sunny

    • 55
    • 75

    Mostly Sunny

    • 57
    • 79

    Mostly Sunny

Today 11 Sep Lower Columbia River

Mostly cloudy in the Morning, then becoming partly sunny. Highs in the lower 70s. Light and variable Winds, becoming light in the afternoon.

Tonight 11 Sep Lower Columbia River

Mostly cloudy. Lows in the lower 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Clatskanie Temperature Statistics

September Temperature

Southwest Washington Regional Airport (14.9 miles)

  • Lowest 4 September, 2026

    48 °F

  • Average September

    60.6 °F

  • Highest 8 September, 2026

    80.1 °F

Climate (2021–2026)

Southwest Washington Regional Airport (14.9 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.4 °F
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