Chehalis River - Blue Slough Entrance Weather Forecast

    • 51
    • 70

    Decreasing Clouds

    • 48
    • 69

    Partly Sunny

    • 52
    • 71

    Partly Sunny

    • 56
    • 66

    Rain

    • 52
    • 66

    Chance Rain

    • 52
    • 69

    Slight Chance Rain

    • 52
    • 68

    Chance Rain

Today 17 Sep Lower Chehalis River Valley

Partly sunny. Highs in the mid 60s to lower 70s. Light wind becoming west 10 to 15 Mph in the afternoon.

Tonight 17 Sep Lower Chehalis River Valley

Partly cloudy until early morning then becoming mostly cloudy. Lows in the upper 40s to mid 50s. Northwest wind 10 to 15 Mph.

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  • Temperature Real-Time

Chehalis River - Blue Slough Entrance Temperature Statistics

September Temperature

Hoquiam, Bowerman Airport (9.3 miles)

  • Lowest 15 September, 2025

    44.1 °F

  • Average September

    59.9 °F

  • Highest 2 September, 2025

    73 °F

Climate (2020–Present)

Hoquiam, Bowerman Airport (9.3 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    52.1 °F

  • Average High 2020–2025

    58.3 °F
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