Columbia River - Kalama River Entrance Weather Forecast

    • 44
    • 60

    Rain Showers

    • 49
    • 67

    Rain Likely

    • 51
    • 63

    Rain

    • 48
    • 65

    Rain Showers

    • 48
    • 66

    Chance Rain

    • 50
    • 72

    Mostly Sunny

Today 6 Jun Cowlitz County Lowlands

Showers with a chance of Thunderstorms. Highs around 60. South wind 5 to 10 Mph, becoming west this afternoon. Chance of rain near 100 percent. Rainfall Amounts a tenth to a quarter of an Inch, except higher Amounts possible in Thunderstorms.

Tonight 6 Jun Cowlitz County Lowlands

Partly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Evening, then mostly cloudy after midnight. Patchy fog after midnight. Lows in the mid 40s. West wind 5 to 10 Mph in the Evening, becoming light and variable. Chance of rain 50 percent. Rainfall Amounts less than a tenth of an Inch, except higher Amounts possible in Thunderstorms.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Columbia River - Kalama River Entrance Temperature Statistics

June Temperature

Southwest Washington Regional Airport (5.6 miles)

  • Lowest 1 June, 2026

    44.1 °F

  • Average June

    63.8 °F

  • Highest 2 June, 2026

    89.1 °F

Climate (2021–Present)

Southwest Washington Regional Airport (5.6 miles)

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  • Average Low 2021–2026

    45.2 °F

  • Average 2021–2026

    53.1 °F

  • Average High 2021–2026

    62.5 °F
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