2025 Compare Climate & Weather:
Oregon City, OR vs Chicago, IL

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Highlights

On average, there are 189 sunny days per year in Chicago. Oregon City averages 143 sunny days per year. The US average is 205 sunny days.

Chicago, Illinois gets 38.2 inches of rain, on average, per year. Oregon City, Oregon gets 42.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Chicago averages 35.1 inches of snow per year. Oregon City averages 1.6 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Chicago, Illinois
Summer High: the July high is around 83.9 degrees
Winter Low: the January low is 19.2
Rain: averages 38.2 inches of rain a year
Snow: averages 35.1 inches of snow a year

Oregon City, Oregon
Summer High: the July high is around 81.8 degrees
Winter Low: the January low is 36.1
Rain: averages 42.9 inches of rain a year
Snow: averages 1.6 inches of snow a year

BestPlaces Comfort Index
Chicago

The annual BestPlaces Comfort Index for Chicago is 7.0 (10=best), which means it is about average compared to other places in Illinois.

7 / 10
September, June and August are the most pleasant months in Chicago, while January and December are the least comfortable months.

Oregon City

The annual BestPlaces Comfort Index for Oregon City is 7.5 (10=best), which means it is more comfortable than most places in Oregon.

7.5 / 10
July, August and September are the most pleasant months in Oregon City, while December and January are the least comfortable months.

Today's Weather - Oregon City, OR

7 AM PST

Chance Rain Showers

50°F

DAYDESCRIPTIONHIGH / LOWWIND
TodayChance Rain Showers63° / 48°SW 5 to 9 mph
MondayShowers And Thunderstorms60° / 47°SW 6 mph
TuesdayChance Rain Showers62° / 48°SW 7 mph
WednesdaySlight Chance Rain Showers then Mostly Cloudy63° / 44°WSW 7 mph
ThursdayPartly Sunny65° / 47°NW 5 mph
FridayChance Light Rain68° / 50°WSW 2 to 6 mph
SaturdayChance Rain Showers64° / 47°WSW 3 to 7 mph
Today's Weather - Chicago, IL

7 AM PST

Sunny

52°F

DAYDESCRIPTIONHIGH / LOWWIND
TodaySunny67° / 52°ENE 10 mph
MondayMostly Sunny72° / 58°E 5 to 10 mph
TuesdayScattered Rain Showers70° / 57°E 5 to 10 mph
WednesdayMostly Sunny then Isolated Showers And Thunderstorms72° / 63°ESE 5 to 10 mph
ThursdayMostly Sunny then Chance Showers And Thunderstorms82° / 64°SSE 10 to 15 mph
FridaySunny78° / 57°WSW 10 to 20 mph
SaturdaySlight Chance Rain Showers then Mostly Sunny70° / 54°WNW 10 to 15 mph
Average Monthly High / Low (°F)
MonthOregon City, ORChicago, IL
January48° / 36°32° / 19°
February52° / 37°37° / 23°
March57° / 39°47° / 31°
April62° / 42°58° / 41°
May69° / 47°69° / 51°
June74° / 52°79° / 61°
July82° / 56°84° / 68°
August82° / 55°82° / 67°
September77° / 51°75° / 59°
October64° / 45°63° / 47°
November53° / 40°49° / 36°
December46° / 35°36° / 24°
Hot, Freezing, Rainy, Snowy Days: Oregon City / Chicago
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 09 / 2718 / 100 / 7
February0 / 06 / 2315 / 80 / 5
March0 / 03 / 1717 / 110 / 4
April0 / 01 / 315 / 110 / 1
May1 / 10 / 012 / 120 / 0
June2 / 30 / 08 / 100 / 0
July6 / 60 / 04 / 100 / 0
August5 / 40 / 03 / 100 / 0
September2 / 10 / 06 / 90 / 0
October0 / 00 / 112 / 100 / 0
November0 / 04 / 1019 / 110 / 2
December0 / 010 / 2418 / 110 / 6
August is the hottest month for Oregon City with an average high temperature of 82.4°, which ranks it as about average compared to other places in Oregon. In Oregon City, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Oregon City are September, June and July.

July is the hottest month for Chicago with an average high temperature of 83.9°, which ranks it as cooler than most places in Illinois. In Chicago, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chicago are June, September and August.
December has the coldest nighttime temperatures for Oregon City with an average of 34.8°. This is warmer than most places in Oregon.

January has the coldest nighttime temperatures for Chicago with an average of 19.2°. This is warmer than most places in Illinois.

In Oregon City, there are 15.3 days annually when the high temperature is over 90°, which is about average compared to other places in Oregon.

In Chicago, there are 13.6 days annually when the high temperature is over 90°, which is cooler than most places in Illinois.

In Oregon City, there are 33.3 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Oregon.

In Chicago, there are 103.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Illinois.

In Oregon City, there are 0.0 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Oregon.

In Chicago, there are 4.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Illinois.

December is the wettest month in Oregon City with 6.9 inches of rain, and the driest month is July with 0.6 inches. The wettest season is Spring with 41% of yearly precipitation and 7% occurs in Autumn, which is the driest season. The annual rainfall of 42.9 inches in Oregon City means that it is about average compared to other places in Oregon.


August is the wettest month in Chicago with 4.2 inches of rain, and the driest month is January with 2.0 inches. The wettest season is Autumn with 31% of yearly precipitation and 17% occurs in Spring, which is the driest season. The annual rainfall of 38.2 inches in Chicago means that it is drier than most places in Illinois.

November is the rainiest month in Oregon City with 18.7 days of rain, and August is the driest month with only 3.4 rainy days. There are 146.6 rainy days annually in Oregon City, which is about average compared to other places in Oregon. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 11% chance of a rainy day.

May is the rainiest month in Chicago with 11.5 days of rain, and February is the driest month with only 8.4 rainy days. There are 124.8 rainy days annually in Chicago, which is one of the rainiest places in Illinois. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

An annual snowfall of 1.6 inches in Oregon City means that it is less snowy than most places in Oregon.

An annual snowfall of 35.1 inches in Chicago means that it is one of the snowiest places in Illinois.
December is the snowiest month in Oregon City with 0.5 inches of snow, and 3 months of the year have significant snowfall.

January is the snowiest month in Chicago with 11.0 inches of snow, and 6 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Oregon City    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Oregon City

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Reviews for Chicago    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

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Zips In Oregon City, Oregon
97045
Zips In CHICAGO, ILLINOIS
60629, 60618, 60632, 60639, 60623, 60647, 60617, 60625, 60608, 60634, 56 total
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