Mostly cloudy Wednesday as Portland sees slight chance of evening showers; high 75 [Video]

Portland made it to 80 degrees Tuesday under partly sunny skies. But clouds from an incoming weather system will cool daytime highs Wednesday and possibly bring showers to the metro area by the evening.

The National Weather Service says an upper level low moving southward from British Columbia will stall its progress not far off the Oregon Coast by early Thursday. This is the system that will bring rounds of light-to-moderate rain to the region through Saturday.

Portland only has a 20% chance of showers on Wednesday, and any that fall will likely arrive by the afternoon or evening. Skies will stay mostly cloudy, and the high will reach about 75 degrees.

Thursday will start out fairly dry in Portland, but showers are likely after about 11 a.m. Skies will be cloudy. The high temp may struggle to reach 71 degrees, about 10 degrees cooler than average highs during mid …