Another typical summertime day is expected Wednesday as Portland stays clear, sunny, and warm.
The National Weather Service says a thermal low pressure system off the coast will strengthen onshore flow Wednesday, but it will take a while for the clouds and cooler temperatures along the beaches to move inland. Portland likely won’t feel any of the cooling until overnight and into Thursday.
Wednesday will look and feel a lot like Tuesday did. Clear skies will allow for a quick warm up and daytime highs will reach about 90 degrees.
The coast and adjacent coastal valleys will be cooler Wednesday than they were yesterday with increased onshore flow and plenty of low clouds.
A weak system along the coast will move inland by early Thursday bringing morning clouds and cooler temps early in the day to most valley areas. Portland will see mostly sunny skies once morning clouds break up. The high will be about 85 degrees.
The disturbance strengthens some by Friday bringing in even more morning cloud cover that may stick around longer. Once the clouds clear off, Portland will have mostly sunny skies and a high of about 79 degrees.
Extended forecasts are suggesting a nice weekend is coming up with mostly sunny skies both days and highs in the low-to-mid 80s.
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