Copalis River Mouth Weather Forecast

    • 51
    • 57

    Mostly Cloudy

    • 51
    • 60

    Mostly Cloudy

    • 50
    • 58

    Mostly Cloudy

    • 50
    • 61

    Partly Sunny

    • 52
    • 63

    Mostly Cloudy

    • 51
    • 62

    Mostly Cloudy

    • 50
    • 59

    Chance Rain

Today 8 May Grays Harbor County Coast

Partly sunny. Highs in the mid 50s to lower 60s. Southwest wind 10 to 15 Mph.

Tonight 8 May Grays Harbor County Coast

Mostly cloudy. Lows near 50. South wind to 10 Mph in the evening becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Copalis River Mouth Temperature Statistics

May Temperature

Hoquiam, Bowerman Airport (16.8 miles)

  • Lowest 1 May, 2026

    49.6 °F

  • Average May

    58 °F

  • Highest 3 May, 2026

    82.7 °F

Climate (2021–Present)

Hoquiam, Bowerman Airport (16.8 miles)

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  • Average Low 2021–2026

    46.4 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    58.6 °F
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