The National Weather Service in Seattle is predicting that it’s going to be warm this week, with temperatures climbing into the low 80s on Wednesday and possible highs in the mid- to upper-80s on Thursday.

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Get your fans ready, folks — the Puget Sound’s true, short season of summer begins now.

Never mind what the calendar says, longtime residents of the region know you can only reliably count on an extended stretch of high temperatures and sunny skies from about July 12 to around the end of September or mid-October.

The National Weather Service in Seattle is predicting that it’s going to be warm this week, with temperatures climbing into the low 80s on Wednesday and possible highs in the mid- to upper-80s on Thursday and again on Sunday. Meanwhile, at least three Western Washington counties have announced partial bans on outdoor burning.

“We usually say summer begins on July 12 here, but July 11 is close enough,” said weather-service meteorologist Ni Cushmeer on Wednesday morning.

Fire officials in Kitsap and Pierce counties announced on Wednesday bans on all burning outdoors except for small recreational fires. Those orders go into effect Thursday at 8 a.m. In Skagit County, officials declared a similar ban starting Friday at noon.

High temperatures in the Seattle area are expected to be around 81 on Wednesday and 86 degrees on Thursday, Cushmeer said. There could be slight cooling on Friday, but it will likely warm back up on Saturday and reach about 88 degrees on Sunday, which is expected to be hottest day of the week.

“It’s going to be pretty toasty,” Cushmeer said.

The predicted highs this week will be slightly above the norm for this time of year, but will not be unusual or record-breaking, Cushmeer said. Still, we are unlikely to see a return to significantly cooler weather until September, when the average daily temperature starts dropping she added.

“It can still be pretty warm in September though we can have some unpleasant days,” said Cushmeer. “It’s in the latter half of October when the weather starts to go downhill very quickly.”

While Puget Sound residents have seen temperatures as high as 88 on Sept. 20, the normal high veers down to 69 degrees, she said.

By the time we get to Oct. 15, the average high is 60 degrees, with a record high of 77.

By the end of October, the normal is 55 degrees, with a record high of 71 degrees that was set in 1949.

“So basically November is all dark and gloomy and wet,” Cushmeer said.

For sun lovers, Cushmeer says, “Enjoy it while it lasts.”

For everyone else, she says, endure and “try to stay cool.”