Columbia River - Kalama River Entrance Weather Forecast

    • 46
    • 69

    Increasing Clouds

    • 48
    • 76

    Mostly Cloudy

    • 41
    • 72

    Partly Sunny

    • 36
    • 59

    Partly Sunny

    • 36
    • 59

    Mostly Sunny

    • 37
    • 61

    Partly Sunny

Today 4 Apr Cowlitz County Lowlands

Patchy fog in the morning. Sunny. Highs in the upper 60s. North wind 5 to 10 Mph.

Tonight 4 Apr Cowlitz County Lowlands

Mostly clear. Patchy fog. Lows in the upper 30s. Winds light.

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  • Temperature Real-Time

Columbia River - Kalama River Entrance Temperature Statistics

April Temperature

Southwest Washington Regional Airport (5.6 miles)

  • Lowest 1 April, 2026

    44.1 °F

  • Average April

    48.3 °F

  • Highest 1 April, 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

    53 °F

  • Average High 2021–2026

    62.5 °F
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