Copalis Beach, WA Weather
Copalis Beach, WA climate is mild during summer when temperatures tend to be in the 60's and cold during winter when temperatures tend to be in the 40's.
The warmest month of the year is August with an average maximum temperature of 71.70 degrees Fahrenheit, while the coldest month of the year is December with an average minimum temperature of 33.40 degrees Fahrenheit.
Temperature variations between night and day tend to be moderate during summer with a difference that can reach 23 degrees Fahrenheit, and fairly limited during winter with an average difference of 14 degrees Fahrenheit.
The annual average precipitation at Copalis Beach is 99.99 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is December with an average rainfall of 17.94 Inches.
Weather Data
Current Conditions
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Light Rain, 49°F | Humidity: 100% | Dewpoint: 49°F |
| Wind Speed: E 6.9 MPH (6 KT) | Heat Index: 49°F | ||
| Barometer: 30.26 in. | Wind Chill: 46°F |
Weather Forecast
| Hi: 50°F | Today: Cloudy with occasional light rain or sprinkles. Highs near 50. Southeast wind 10 to 15 mph. | |
| Lo: 45°F | ||
| Hi: 53°F | Wednesday: Cloudy with a chance of rain in the morning. Rain in the afternoon...Mainly north coast. Highs in the lower to mid 50s. South wind 10 to 15 mph. | |
| Lo: 45°F | ||
| Hi: 46°F | Thanksgiving day: Rain. Highs in the mid 40s to lower 50s. Northeast wind 10 to 15 mph. | |
| Lo: 41°F | ||
| Hi: 45°F | Friday: Rain likely. Highs in the mid 40s. Lows in the upper 30s. | |
| Lo: 39°F | ||
| Hi: 45°F | Saturday: Rain likely. Highs in the mid 40s. Lows in the upper 30s. | |
| Lo: 39°F | ||
| Hi: 45°F | Saturday: Rain likely. Highs in the mid 40s. Lows in the upper 30s. | |
| Lo: 39°F | ||
| Hi: 49°F | Sunday: Mostly cloudy with a chance of showers. Lows in the upper 30s. Highs in the upper 40s. | |
| Lo: 39°F |
Moon, Sunrise and Sunset
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Moon Phase: Waxing Gibbous Moon | Civil Twilight: 6:58 AM PST |
Sunrise: 7:32 AM PST |
| Sunset: 4:33 PM PST |
Civil Twilight: 5:07 PM PST |
Normal Climate
Normal Temperatures
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max °F | 46.2 | 49.6 | 53.1 | 57.5 | 63.0 | 66.1 | 71.1 | 71.7 | 69.2 | 60.2 | 50.4 | 45.6 | 58.6 |
| Mean °F | 40.0 | 41.9 | 43.9 | 47.1 | 52.3 | 56.2 | 60.0 | 60.3 | 56.9 | 49.8 | 43.3 | 39.5 | 49.3 |
| Min °F | 33.7 | 34.2 | 34.7 | 36.7 | 41.5 | 46.3 | 48.8 | 48.8 | 44.6 | 39.3 | 36.2 | 33.4 | 39.9 |
Normal Precipitation
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Inch | 16.37 | 13.62 | 11.83 | 8.29 | 5.01 | 3.98 | 1.94 | 2.63 | 4.38 | 9.32 | 17.05 | 17.94 | 99.99 |

