Long Island forecast: Partly sunny and warmer on LI

Tuesday looks like a great day to be outdoors across Long Island, according to the National Weather Service.

It is mid-December, so even though it will be mostly sunny, don't forget a sweater or a jacket. The high Tuesday will top out at about 50 degrees.

Tuesday night, the temperature will dip to 35 under parly cloudy skies, the weather service said.

Wednesday will start out with a mix of sun and clouds and a high of 53 before a 20% chance of showers after dark and a low of 48.

"Any lingering showers end Thursday morning, then moderate southwesterly winds produce the warmest day of the week," the weather service said.

Thursday, though cloudy, should be the week’s warmest day, the forecasters said, with a high of 57. And the night also will be mild. Thermometers may fall no further than 44.

By Thursday night, a cold front should make its way to the tri-state region,

"It would not be surprising to see just a few sprinkles ahead of the front," the weather service said.

Friday sees the sun return, with a daytime high of 54, predicted the weather service.

Showers could arrive not long after midnight as Saturday begins, with the chances assessed at 50%.

Rain also looks likely Saturday, when the odds rise to 60%, before those chances halve to 30% that night, the weather service said.

At least Sunday, for now, looks bright and clear – and cooler, with a daytime high of just 41.

Predicting the weather that far ahead, however, is no sure bet. As the weather service advised:

"A high amount of uncertainty creeps in at the end of the forecast period."