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PORTLAND -- Temperatures Wednesday climbed past 90 degrees in the Portland metro area, breaking the last record set in 2012 and making it the warmest day of the year of 2014 so far.

The temperature hit 91 degrees Wednesday afternoon in Portland. The last record high was 88, set in 2012.

The heat was also taking a toll on MAX trains. TriMet reported that trains were running 10 mph slower in some areas, due to high temperatures on the overhead wires. They advised riders to prepare for delays.

Forecast | Weather Cameras | Temperature Map

Thursday will still be hot in Portland, but it'll probably be a few degrees cooler than Wednesday and will kick off a weekend cooldown, according to KGW Chief Meteorologist Matt Zaffino.

The heat also sizzled through records on the Oregon Coast. Newport hit 88 degrees, breaking a 102- year-old record by 10 degrees. Astoria set a new record when it hit 83 degrees.

The coast will cool Thursday with highs in the 50s and 60s and fog and low clouds spreading north, according to Zaffino.

Temperatures on Friday should drop into the mid-70s, with light showers arriving on Saturday and continuing Sunday.

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