2026 Compare Cities Climate:
Portsmouth, VA vs Potomac, MD

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Highlights
- Potomac has 11.4% less rainy days than Portsmouth.
- Potomac has 7.4% less Sunny Days than Portsmouth.
- On the BestPlaces comfort index, Potomac scores 1.4% worse than Portsmouth
 Portsmouth, VAPotomac, MDUnited States
 Rainfall  Unlock4238
 Snowfall5  Unlock28
 Precipitation  Unlock114106
 Sunny217  Unlock205
 Avg. July High  Unlock8686
 Avg. Jan. Low33  Unlock22
 Comfort Index (higher=better)  Unlock7.37
 UV Index4.3  Unlock4.3
 Elevation  Unlock3612443
Reviews for Portsmouth    4 Reviews

I have lived in Westhaven neighborhood in Portsmouth for 23 yrs. I have never smelled a paper mill in Portsmouth. I grew up in MA about a mile from one, so I know what  More

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Over 16 years ago

Housing not always  More

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Does anyone living near Portsmouth, VA smell a paper  More

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Reviews for Potomac    2 Reviews

Over 18 years ago

Spring and Fall can be quite glorious when the leaves turn or the tulips pop out and the humidity is lower. Winter, while it has some splendid "snow days," goes on much  More

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Over 18 years ago

The Potomac area in Montgomery County, Maryland, has the best of everything. High schools rated in the top 5 in the State, easy access to the Nation's Capitol,  More

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