The National Weather Service said Wednesday will be mostly sunny day with a high of 81 degrees. News 12 Long Island meteorologist Rich Hoffman has the forecast. Credit: News 12 Long Island

Clouds and sun will swap places on Wednesday, with a high during the day of 81 degrees, the National Weather Service said.

There is a chance of a "passing shower or sprinkle," News 12 Long Island meteorologist Rich Hoffman said.

A high pressure front will stick around Thursday too, so it should be sunny.

"High temperatures will be at or slightly below normal today, then a few degrees cooler on Thursday," the weather service said in its forecast Wednesday.

Highs are expected to be in the upper 70s on Thursday.

Friday, however, has a 50% chance of storms and thunderstorms, especially after midday, but they should quit the Island before Saturday morning, the weather service said. A high around 80 degrees is expected for Friday.

Look for more heat on both Saturday and Sunday with sunshine raising temperatures to around 90 degrees.

Monday looks much the same but a little cooler and Tuesday could be soggy, the weather service said. Highs both days will be in the mid-80s.

Suffolk County Sheriff Errol Toulon Jr. spoke with NewsdayTV's Ken Buffa about what life is like for the Gilgo Beach serial killer Rex Heuermann in jail. Credit: Anthony Florio; File Footage; Photo Credit: Newsday / James Carbone, John Paraskevas; AP / David Bookstaver, Clark County Sheriff's Office, Richard Drew, Mitchell Tapper, Don Ryan; Peconic River Sportsman’s Club / Kerry Goldberg

'He will be ... coming out of prison in a body bag' Suffolk County Sheriff Errol Toulon Jr. spoke with NewsdayTV's Ken Buffa about what life is like for the Gilgo Beach serial killer Rex Heuermann in jail.

Suffolk County Sheriff Errol Toulon Jr. spoke with NewsdayTV's Ken Buffa about what life is like for the Gilgo Beach serial killer Rex Heuermann in jail. Credit: Anthony Florio; File Footage; Photo Credit: Newsday / James Carbone, John Paraskevas; AP / David Bookstaver, Clark County Sheriff's Office, Richard Drew, Mitchell Tapper, Don Ryan; Peconic River Sportsman’s Club / Kerry Goldberg

'He will be ... coming out of prison in a body bag' Suffolk County Sheriff Errol Toulon Jr. spoke with NewsdayTV's Ken Buffa about what life is like for the Gilgo Beach serial killer Rex Heuermann in jail.

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