Tuesday brought warm and sunny weather in Portland, with temperatures reaching 77 degrees. But a significant weather shift is expected to bring cooler, wetter conditions beginning Wednesday.

Skies will remain clear through Tuesday afternoon, with light winds and abundant sunshine across the Willamette Valley.

By Tuesday night, clouds will begin increasing, with onshore flow bringing cooler air from the Pacific. Wednesday morning should see widespread cloud cover, with a 30-40% chance of light rainfall developing, particularly along the coast and western foothills. Temperatures will drop noticeably, with daytime highs falling into the 50s and overnight lows in the 40s.

The weekend forecast indicates continued wet conditions, with rainfall likely from Friday through Sunday. The Coast Ra

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