Columbia River - Westport Slough Entrance Weather Forecast

    • 53
    • 65

    Increasing Clouds

    • 50
    • 62

    Rain Likely

    • 50
    • 66

    Partly Sunny

    • 52
    • 69

    Partly Sunny

    • 51
    • 66

    Partly Sunny

    • 52
    • 68

    Mostly Sunny

Today 28 Sep North Oregon Coast Range Lowlands

Mostly sunny. Highs in the upper 60s. Light and variable Winds, becoming light in the afternoon.

Tonight 28 Sep North Oregon Coast Range Lowlands

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 40s. Winds light.

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Columbia River - Westport Slough Entrance Temperature Statistics

September Temperature

Southwest Washington Regional Airport (23 miles)

  • Lowest 24 September, 2026

    46.9 °F

  • Average September

    60.8 °F

  • Highest 9 September, 2026

    86 °F

Climate (2021–2026)

Southwest Washington Regional Airport (23 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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