2025 Compare Cities Climate:
Mercer Island, WA vs Lake Oswego, OR

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Highlights
- Lake Oswego has 7.1% more rainy days than Mercer Island.
- Lake Oswego has 9.6% less Sunny Days than Mercer Island.
- On the BestPlaces comfort index, Lake Oswego scores 1.3% better than Mercer Island
 Mercer Island, WALake Oswego, ORUnited States
 Rainfall  Unlock4238
 Snowfall5  Unlock28
 Precipitation  Unlock147106
 Sunny156  Unlock205
 Avg. July High  Unlock8186
 Avg. Jan. Low37  Unlock22
 Comfort Index (higher=better)  Unlock7.67
 UV Index2.6  Unlock4.3
 Elevation  Unlock1802443
Reviews for Mercer Island    4 Reviews

Mercer Island is a wonderful family community. It feels much more "small town" than a city even though it has a population of 20,000+. People say hello and watch out  More

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Mercer Island is a suburb of Seattle, located on an island in Lake Washington. The best thing about Mercer Island is its strategically central location relative to the  More

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Mercer Island is a suburb of Seattle, located on an island in Lake Washington. The best thing about Mercer Island is its strategically central location relative to the  More

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Reviews for Lake Oswego    14 Reviews

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 6 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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