Cosmopolis, WA Weather

Cosmopolis, 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 69.10 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 36.10 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 15 degrees Fahrenheit, and fairly limited during winter with an average difference of 12 degrees Fahrenheit.

The annual average precipitation at Cosmopolis is 83.71 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is December with an average rainfall of 13.07 Inches.

Weather Data

Current Conditions

(Updated: 5:53 PM PST TUE NOV 24 2009)

Fog And Mist, 50°F	Humidity: 100%	Dewpoint: 50°F
	Wind Speed: NE 6.9 MPH (6 KT)	Heat Index: 50°F
	Barometer: 30.24 in.	Wind Chill: 47°F

Weather Forecast

(Generated: 3:30 PM PST TUE NOV 24 2009)

		Tonight: Rain this evening north...Otherwise mostly cloudy with a chance of rain. Lows 45 to 50. Southeast wind 10 to 15 mph.
	Lo: 48°F
	Hi: 55°F	Wednesday: Rain likely...Except periods of rain in the afternoon north. Highs in the 50s. South wind 10 to 20 mph.
	Lo: 45°F
	Hi: 46°F	Thanksgiving day: Periods of rain. Highs in the mid 40s to lower 50s. Northwest wind to 10 mph.
	Lo: 39°F
	Hi: 45°F	Friday: Mostly cloudy with a chance of rain. Highs in the mid 40s. Lows in the upper 30s.
	Lo: 39°F
	Hi: 49°F	Saturday: Cloudy with a chance of rain. Highs in the upper 40s. Lows in the upper 30s.
	Lo: 39°F
	Hi: 49°F	Sunday: Mostly cloudy with a chance of rain. Highs in the upper 40s. Lows in the upper 30s.
	Lo: 39°F
	Hi: 49°F	Monday: Mostly cloudy with a chance of rain. Highs in the upper 40s. Lows in the upper 30s.
	Lo: 39°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:56 AM PST	Sunrise: 7:30 AM PST
		Sunset: 4:32 PM PST	Civil Twilight: 5:06 PM PST

Normal Climate

Normal Temperatures

(ABERDEEN Weather station, 2.89 miles from Cosmopolis)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	46.6	49.8	53.3	56.6	60.9	64.2	68.0	69.1	68.7	61.1	51.7	46.6	58.1
Mean °F	41.4	43.3	45.8	48.8	53.4	57.3	60.7	61.5	59.5	52.7	45.6	41.5	51.0
Min °F	36.1	36.8	38.2	41.0	45.9	50.3	53.4	53.8	50.2	44.2	39.4	36.3	43.8

Normal Precipitation