Dust off the grill and scavenge for those sunglasses. It's going to be unseasonably warm in the Portland metro area Sunday.

Temperatures should rise to a high of 55 degrees on Sunday, with some patch fog hanging around in areas of the metro area until 2 p.m.

That should give way in most places to another day of unseasonably nice weather for mid-January, the National Weather Service says.

Enjoy the sun break while it lasts.

A chance of rain is expected to return to the forecast on Monday, Martin Luther King Jr. Day, with the National Weather Service saying there's a 30 percent chance of showers in the late afternoon.

High temperatures are expected to stay in the low 50s throughout the week, but the likelihood of rain showers throughout the week.

-- Andrew Theen