Lake Oswego, OR Weather


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The most pleasant months of the year for Lake Oswego are September, June and July. In Lake Oswego, there are 4 comfortable months with high temperatures in the range of 70-85°. August is the hottest month for Lake Oswego with an average high temperature of 82.0°, which ranks it as about average compared to other places in Oregon. December is the snowiest month in Lake Oswego with 0.5 inches of snow, and 2 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.

Today's Weather - Lake Oswego, OR

1 PM PST

Sunny

70°F

7 DAY FORECASTDESCRIPTIONHIGH/LOWWIND
This AfternoonSunny75° / 45°NW 6 mph
WednesdayPartly Sunny66° / 48°SW 2 to 7 mph
ThursdayLight Rain55° / 50°SSW 6 to 14 mph
FridayRain Showers57° / 47°SW 13 mph
SaturdayRain Showers Likely59° / 47°SSW 10 mph
SundayRain Showers Likely58° / 44°SW 9 to 14 mph
MondayRain Showers57° / 42°SW 7 to 13 mph

Weather Highlights

Summer High: the July high is around 81 degrees
Winter Low: the January low is 37
Rain: averages 42 inches of rain a year
Snow: averages 2 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Lake Oswego area is 9.4 (10=best), which means it is more comfortable than most places in Oregon.

9.4 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.


Average Monthly High and Low (°F)
HighLow
January49° 37°
February53° 37°
March58° 40°
April63° 43°
May69° 47°
June75° 52°
July81° 56°
August82° 56°
September77° 52°
October64° 46°
November53° 40°
December47° 36°
Hot, Freezing, Rainy, Snowy Days: Lake Oswego
Hot
Days
Freezing
Days
Rainy
Days
Snowy
Days
January07180
February06150
March03170
April01150
May10120
June2080
July5040
August5030
September2060
October00120
November03190
December09180

YOU SHOULD KNOW

Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

Reviews for Lake Oswego
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I have lived occasionally in Lake Oswego with my sister who married a LO man and found it very sweet. He was raised there by hard-working parents who had fantastic work  More

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Over 5 years ago

Retired in Lake Oswego to be close to family and Live in a beautiful little city. We call it Paradise. We’ve had part-time property in Oregon for 20 years and we have  More

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Ive lived here 22 years and it has gone from a charming small town to a congested pass thru neighborhood. People are rude, traffic a nightmare and we hate it here but  More

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