Copalis Beach Weather Forecast

    • 51
    • 60

    Decreasing Clouds

    • 54
    • 60

    Partly Sunny

    • 57
    • 60

    Rain

    • 53
    • 60

    Chance Rain

    • 54
    • 61

    Chance Rain

    • 55
    • 61

    Chance Rain

Today 18 Sep Grays Harbor County Coast

Mostly sunny. Highs in the 60s. Northwest wind to 10 Mph increasing to 10 to 15 Mph in the afternoon.

Tonight 18 Sep Grays Harbor County Coast

Mostly clear. Lows near 50. Northwest wind 10 to 15 Mph with Gusts to 25 Mph becoming north after midnight.

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  • Temperature Real-Time

Copalis Beach Temperature Statistics

September Temperature

Hoquiam, Bowerman Airport (15.5 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 (15.5 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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