Columbia River - Abernathy Point Weather Forecast

    • 55
    • 71

    Becoming Sunny

    • 56
    • 84

    Mostly Sunny

    • 56
    • 74

    Partly Sunny

    • 55
    • 73

    Partly Sunny

    • 55
    • 73

    Partly Sunny

    • 58
    • 66

    Chance Rain

    • 56
    • 67

    Chance Rain Showers

Today 15 Sep Cowlitz County Lowlands

Patchy fog this morning. Sunny. Highs in the mid 70s. North wind 5 to 10 Mph.

Tonight 15 Sep Cowlitz County Lowlands

Mostly clear. Lows in the lower 50s. North wind 5 to 10 Mph.

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Columbia River - Abernathy Point Temperature Statistics

September Temperature

Southwest Washington Regional Airport (13.7 miles)

  • Lowest 8 September, 2025

    52 °F

  • Average September

    65.8 °F

  • Highest 2 September, 2025

    88 °F

Climate (2020–Present)

Southwest Washington Regional Airport (13.7 miles)

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  • Average Low 2020–2025

    45.1 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    62.3 °F
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