Chehalis River - Mox Chuck Slough Entrance Weather Forecast

    • 53
    • 67

    Increasing Clouds

    • 52
    • 66

    Mostly Cloudy

    • 53
    • 66

    Chance Rain

    • 52
    • 67

    Mostly Cloudy

    • 51
    • 70

    Partly Sunny

    • 52
    • 71

    Partly Sunny

Today 10 Sep Lower Chehalis River Valley

Mostly cloudy. Highs in the 60s to lower 70s. West wind 10 to 15 Mph with Gusts to 25 Mph.

Tonight 10 Sep Lower Chehalis River Valley

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 40s to mid 50s. West wind 10 to 15 Mph.

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Chehalis River - Mox Chuck Slough Entrance Temperature Statistics

September Temperature

Hoquiam, Bowerman Airport (8.1 miles)

  • Lowest 4 September, 2026

    49.6 °F

  • Average September

    61.1 °F

  • Highest 5 September, 2026

    71.7 °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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