Columbia River - Kalama River Entrance Weather Forecast

    • 38
    • 65

    Sunny

    • 41
    • 66

    Mostly Sunny

    • 49
    • 62

    Chance Rain Showers

    • 45
    • 64

    Partly Sunny

    • 49
    • 64

    Rain

    • 45
    • 57

    Rain Showers

Today 14 Oct Cowlitz County Lowlands

Areas of frost this morning. Sunny. Highs in the mid 60s. Winds light.

Tonight 14 Oct Cowlitz County Lowlands

Clear. Areas of frost after midnight. Lows in the upper 30s. Winds light.

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Columbia River - Kalama River Entrance Temperature Statistics

October Temperature

Southwest Washington Regional Airport (5.6 miles)

  • Lowest 6 October, 2025

    41 °F

  • Average October

    56.9 °F

  • Highest 7 October, 2025

    80.1 °F

Climate (2020–Present)

Southwest Washington Regional Airport (5.6 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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