Chinook, WA Weather

Chinook, WA climate is cool during summer when temperatures tend to be in the 50's and cold during winter when temperatures tend to be in the 40's.

The warmest month of the year is September with an average maximum temperature of 67.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 35.20 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 13 degrees Fahrenheit.

The annual average precipitation at Chinook is 81.19 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is December with an average rainfall of 12.37 Inches.

Weather Data

Current Conditions

(Updated: 6:55 AM PST WED NOV 25 2009)

Fog And Mist, 39°F	Humidity: 93%	Dewpoint: 37°F
	Wind Speed: CALM	Heat Index: 39°F
	Barometer: 30.16 in.	Wind Chill: 39°F

Weather Forecast

(Generated: 3:45 AM PST WED NOV 25 2009)

	Hi: 55°F	Today: Partly sunny in the morning...Then mostly cloudy. Patchy fog in the morning. A slight chance of rain in the afternoon. Highs around 55. South wind 5 to 15 mph.
	Lo: 43°F
	Hi: 53°F	Thanksgiving day: Rain. Highs 50 to 55. East wind 5 to 10 mph.
	Lo: 43°F
	Hi: 50°F	Friday: Rain. Breezy. Highs around 50. West wind 15 to 25 mph. Gusts to 45 mph in the morning.
	Lo: 40°F
	Hi: 50°F	Saturday: Mostly cloudy with a chance of rain. Highs around 50.
	Lo: 38°F
	Hi: 53°F	Sunday: Mostly cloudy with a slight chance of showers. Highs 50 to 55.
	Lo: 38°F
	Hi: 50°F	Monday: Mostly cloudy with a chance of showers. Highs around 50.
	Lo: 40°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:56 AM PST	Sunrise: 7:29 AM PST
		Sunset: 4:34 PM PST	Civil Twilight: 5:08 PM PST

Normal Climate

Normal Temperatures

(LONG BEACH EXP STN Weather station, 7.85 miles from Chinook)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	47.9	50.2	52.8	55.6	59.5	62.6	65.6	66.7	67.0	60.9	52.9	48.4	57.5
Mean °F	41.6	43.4	45.5	48.1	52.2	55.8	58.7	59.1	57.3	51.4	45.9	42.1	50.1
Min °F	35.2	36.5	38.2	40.6	44.9	49.0	51.7	51.5	47.6	41.9	38.9	35.7	42.6

Normal Precipitation