Portland, OR Weather

Portland, OR 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 79.10 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 36.70 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 21 degrees Fahrenheit, and fairly limited during winter with an average difference of 10 degrees Fahrenheit.

The annual average precipitation at Portland is 43.16 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is December with an average rainfall of 6.75 Inches.

Weather Data

Current Conditions

(Updated: 5:53 AM PDT THU MAY 15 2008)

Mostly Cloudy, 56°F	Humidity: 87%	Dewpoint: 52°F
	Wind Speed: N 6 MPH	Heat Index: 56°F
	Barometer: 30.38 in.	Wind Chill: 55°F

Weather Forecast

(Generated: 3:30 AM PDT THU MAY 15 2008)

	Hi: 85°F	Today: Areas of morning clouds...Then sunny. Highs around 85. Northeast wind 5 to 15 mph.
	Lo: 57°F
	Hi: 95°F	Friday: Sunny. Highs around 95. Northeast wind 5 to 15 mph... Except east wind 15 to 20 mph Decreasing in the afternoon.
	Lo: 60°F
	Hi: 88°F	Saturday: Sunny. Highs 85 to 90. Light wind.
	Lo: 55°F
	Hi: 83°F	Sunday: Sunny. Highs 80 to 85.
	Lo: 50°F
	Hi: 75°F	Monday: Partly sunny. Highs around 75.
	Lo: 45°F
	Hi: 68°F	Tuesday: Mostly cloudy with a chance of showers. Highs 65 to 70.
	Lo: 45°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 5:05 AM PDT	Sunrise: 5:40 AM PDT
		Sunset: 8:34 PM PDT	Civil Twilight: 9:09 PM PDT

Normal Climate

Normal Temperatures

(PORTLAND KGW TV Weather station, 0.34 miles from Portland)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	45.5	50.1	55.5	60.8	67.0	72.6	78.9	79.1	74.2	63.0	51.4	45.5	62.0
Mean °F	41.1	44.3	48.1	52.2	57.8	62.9	68.1	68.5	64.4	55.6	46.6	41.4	54.3
Min °F	36.7	38.5	40.7	43.5	48.5	53.2	57.3	57.9	54.6	48.1	41.8	37.3	46.5

Normal Precipitation