Chehalis River - Mox Chuck Slough Entrance Weather Forecast

    • 54
    • 77

    Increasing Clouds

    • 52
    • 67

    Mostly Cloudy

    • 49
    • 69

    Partly Sunny

    • 51
    • 71

    Partly Sunny

    • 51
    • 69

    Partly Sunny

    • 50
    • 69

    Mostly Cloudy

Today 17 Sep Lower Chehalis River Valley

Sunny. Highs in the mid 70s to lower 80s. Light wind becoming west to 10 Mph in the afternoon.

Tonight 17 Sep Lower Chehalis River Valley

Mostly clear in the evening then becoming mostly cloudy. Lows in the lower to mid 50s. Light wind.

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Chehalis River - Mox Chuck Slough Entrance Temperature Statistics

September Temperature

Hoquiam, Bowerman Airport (8.1 miles)

  • Lowest 8 September, 2026

    48.7 °F

  • Average September

    60.8 °F

  • Highest 9 September, 2026

    73.7 °F

Climate (2021–2026)

Hoquiam, Bowerman Airport (8.1 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    58.6 °F
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