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Long Island weather: Warming trend this week as temps hit 70s

Tuesday is the first of three days to warm up to 10 or so degrees above normal, and then comes a splash of fall weather for the weekend, forecasters said.

A broad area of high pressure over the Atlantic Ocean means we're getting warm, humid weather for the next couple of days, the National Weather Service said. In fact, low temperatures can be expected to be right around where highs should be.

Tuesday saw temperatures reach into the mid-70s, the weather service said. The normal high for the day at Long Island MacArthur Airport in Ronkonkoma is 65.

Right around 2 p.m. the airport was reporting cloudy skies and a temperature of 73 degrees.

“We’ve been averaging almost 12 degrees above normal for the first week of October,” said News 12 Long Island meteorologist Rich Hoffman.

Wednesday will follow Tuesday’s suit, first with patchy fog, then partly sunny skies and highs around the mid-70s.

Lows both Wednesday and Thursday are expected to be about 66 degrees, with 47 the normal low at the airport.

Precipitation enters the picture Thursday, with potential for heavy rain for the region, the National Weather Service’s Upton office said in a hazardous weather outlook. The focus is more on the afternoon hours and overnight, with the potential for 1 to 2 inches of rain, in some spots higher, said David Wally, weather service meteorologist in Upton. 

This picture comes about as “a tropical moisture plume” associated with Hurricane Michael will be streaming into the area at that point and interacting with a cold front moving in from the west. 

The warm trend ends Friday, Hoffman said. There should be highs in the 60s and lows in the 40s on Saturday and the 50s on Sunday, making for a "beautiful fall weekend."

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