All of us who had a little trouble sleeping in the hot, still air during the recent heat wave Saturday through Monday can collectively thank the Pacific Ocean for the blast of natural air conditioning that came in time for a cooler Tuesday.

Thank you, Pacific Ocean!

Monday’s high temperature at Seattle-Tacoma International Airport was 91 degrees, according to the National Weather Service of Seattle. Seattle-area temperatures reached the mid-60s Tuesday.

King County to develop plan to cope with extreme heat events

The high temperatures Sunday and Monday — though nowhere near the record-shattering 108 degrees we experienced last year — were caused by a thermal trough over the coast on Sunday and over Western Washington Monday, meteorologist Dustin Guy said.

As the trough moved east of the Cascade Mountains overnight, it created a vacuum that sucked the cool marine air in from the coast, Guy said.

Wednesday is expected to be cloudy with a slight warm-up forecast for Thursday and Friday, Guy said.

Seattle has six kinds of rain. Can you name them?

A wetter weather system is expected “right on schedule for the weekend,” he said. And once we get past July Fourth, things should be warming up again, he said.