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Long Island breaks daily record with high of 91 degrees

Long Island weather forecast for Thursday, September 2,

Long Island weather forecast for Thursday, September 2, 2015. Credit: NWS/Newsday

As Long Island inches closer to what looks like a brilliant summerlike Labor Day weekend, a record for high temperature was broken Thursday at Long Island MacArthur Airport, with 91 degrees the high for the day, the National Weather Service said.

The daily record high had been 86, with that record set in 1991 and again in 1996. Records have been kept at the airport since 1984.

One reason for the unseasonably warm temperatures recently -- normal highs this time of year are about 78 to 79 degrees -- is a lingering high-pressure system offshore that keeps pumping warm air into the Northeast, said Brian Ciemnecki, weather service meteorologist in Upton.

News 12 Long Island meteorologist Rich Hoffman said Thursday's warm, muggy conditions made temperatures feel even hotter, in the low to mid-90s.

"Hot and humid," Hoffman said, with a high UV [ultraviolet radiation] index and warm water temperatures at the beaches. Keep the sunscreen handy.

Hoffman said clouds move in during the nighttime hours, and there's the chance of a stray shower or thunderstorm into Friday morning.

Cloudy Friday morning conditions give way to a mix of sun and clouds and daily highs around 80 degrees.

Saturday and Sunday call for mostly sunny skies with temperatures ranging from the upper 70s to low 80s, he said.

On Monday, it's a bit cloudy with temperatures climbing to the mid-80s.

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