Columbia River - Kalama River Entrance Weather Forecast

    • 40
    • 54

    Dense Fog

    • 38
    • 56

    Dense Fog

    • 39
    • 52

    Mostly Cloudy

    • 36
    • 54

    Partly Sunny

    • 36
    • 55

    Mostly Sunny

    • 34
    • 55

    Mostly Sunny

    • 34
    • 54

    Mostly Sunny

Today 12 Jan Cowlitz County Lowlands

Mostly cloudy this Morning, then becoming partly sunny. Highs in the mid 50s. Winds light.

Tonight 12 Jan Cowlitz County Lowlands

Mostly cloudy. Patchy dense fog. Lows in the lower 40s. Winds light this Evening, becoming light and variable.

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Columbia River - Kalama River Entrance Temperature Statistics

January Temperature

Southwest Washington Regional Airport (5.6 miles)

  • Lowest 1 January, 2026

    30 °F

  • Average January

    43.3 °F

  • Highest 3 January, 2026

    53.1 °F

Climate (2021–Present)

Southwest Washington Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    45.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    62.4 °F
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