Copalis River Mouth Weather Forecast

    • 43
    • 52

    Rain

    • 41
    • 48

    Rain

    • 43
    • 51

    Chance Rain

    • 42
    • 52

    Partly Sunny

    • 45
    • 55

    Mostly Cloudy

    • 47
    • 58

    Mostly Cloudy

Today 31 Mar Grays Harbor County Coast

Partly sunny. Highs in the 50s. East wind to 10 Mph becoming south in the afternoon.

Tonight 31 Mar Grays Harbor County Coast

Breezy. Cloudy in the Evening, then a chance of rain after midnight. Cloudy with rain in the morning. Rainfall Amounts a quarter to a half inch possible. Lows in the upper 30s to mid 40s. South wind 10 to 15 Mph increasing to 15 to 25 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Copalis River Mouth Temperature Statistics

March Temperature

Hoquiam, Bowerman Airport (16.8 miles)

  • Lowest 10 March, 2026

    32.6 °F

  • Average March

    46 °F

  • Highest 1 March, 2026

    59.6 °F

Climate (2021–Present)

Hoquiam, Bowerman Airport (16.8 miles)

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  • Average Low 2021–2026

    46.3 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    58.6 °F
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