Clarkston, WA Weather

Clarkston, WA climate is warm during summer when temperatures tend to be in the 70's and very cold during winter when temperatures tend to be in the 30's.

The warmest month of the year is July with an average maximum temperature of 87.60 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 28.00 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 28 degrees Fahrenheit, and fairly limited during winter with an average difference of 13 degrees Fahrenheit.

The annual average precipitation at Clarkston is 12.74 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is May with an average rainfall of 1.56 Inches.

Weather Data

Current Conditions

(Updated: 8:56 AM PST MON NOV 23 2009)

Fair, 39°F	Humidity: 73%	Dewpoint: 31°F
	Wind Speed: CALM	Heat Index: 39°F
	Barometer: 30.40 in.	Wind Chill: 39°F

Weather Forecast

(Generated: 3:44 AM PST MON NOV 23 2009)

	Hi: 45°F	Today: Mostly cloudy. Highs in the 40s.
	Lo: 33°F
	Hi: 45°F	Tuesday: Mostly cloudy. A 20 percent chance of rain or snow showers in the morning. Highs in the 40s.
	Lo: 30°F
	Hi: 45°F	Wednesday: Partly cloudy. Highs in the 40s.
	Lo: 30°F
	Hi: 47°F	Thanksgiving day: Partly cloudy. Patchy fog. Highs in the mid to upper 40s.
	Lo: 33°F
	Hi: 46°F	Friday: Mostly cloudy with a 30 percent chance of rain showers. Highs in the mid 40s to lower 50s.
	Lo: 30°F
	Hi: 40°F	Saturday: Mostly cloudy with a 20 percent chance of rain or snow showers. Lows in the upper 20s to lower 30s. Highs in the upper 30s to mid 40s.
	Lo: 30°F
	Hi: 40°F	Sunday: Mostly cloudy with a 20 percent chance of rain or snow showers. Lows in the upper 20s to lower 30s. Highs in the upper 30s to mid 40s.
	Lo: 30°F

Moon, Sunrise and Sunset

	Moon Phase: First Quarter Moon	Civil Twilight: 6:26 AM PST	Sunrise: 7:00 AM PST
		Sunset: 4:08 PM PST	Civil Twilight: 4:41 PM PST

Normal Climate

Normal Temperatures

(LEWISTON AP Weather station, 3.40 miles from Clarkston)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	39.4	45.6	53.8	61.6	70.0	78.0	87.6	87.6	76.7	62.0	46.8	39.2	62.4
Mean °F	33.7	38.4	44.7	51.1	58.5	65.8	73.5	73.4	63.8	51.6	40.4	33.9	52.4
Min °F	28.0	31.2	35.6	40.6	47.0	53.6	59.3	59.3	50.9	41.2	34.1	28.5	42.4

Normal Precipitation