Copalis River Mouth Weather Forecast
- 52
- 61
Chance Rain
- 55
- 62
Mostly Sunny
- 57
- 70
Mostly Sunny
- 54
- 60
Chance Rain
- 51
- 59
Slight Chance Rain
- 53
- 61
Partly Sunny
Today 14 Sep Grays Harbor County Coast
Patchy fog in the morning. Mostly cloudy with rain likely in the Morning, then partly sunny with a slight chance of rain in the late morning and early afternoon. Mostly sunny late in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the lower to mid 60s. Northwest wind 10 to 15 Mph.
Tonight 14 Sep Grays Harbor County Coast
Mostly clear. Lows in the mid 40s to lower 50s. Northwest wind 10 to 15 Mph decreasing to 10 Mph or less after midnight.
Copalis River Mouth Temperature Statistics
September Temperature
Hoquiam, Bowerman Airport (16.8 miles)
Lowest 2 September, 2025
53.1 °FAverage September
59.9 °FHighest 2 September, 2025
73 °F
Climate (2020–Present)
Hoquiam, Bowerman Airport (16.8 miles)
Average Low 2020–2025
46.2 °FAverage 2020–2025
52.1 °FAverage High 2020–2025
58.3 °F