Long Island forecast: Mostly sun but some cold temperatures

There is a slight chance of rain Sunday, but overall, weather on Long Island in the new week should get off to a good — if at times chilly — start.

The National Weather Service said Saturday evening that Sunday there will be a 20% chance of showers after 2 p.m. on an otherwise partly sunny day. The high temperature will be about 47 degrees and the wind will blow out of the west at 11 to 15 mph.

Sunday night will be mostly cloudy with a non-springlike low of only about 23 degrees, which would be 12 degrees lower than the normal low for the date in Islip and just a single degree above the record low set in 1975. The wind chill is expected to make it feel like it's between 10 and 20 degrees.

Monday will be mostly sunny but the thermometer will peak at only around 35 degrees, the weather service said. The low for the night is predicted to be only 21 degrees.

Tuesday and Wednesday are expected to be at least partly sunny and precipitation-free, but there is a 40% chance of showers after 2 p.m. Thursday, going up to an 80% chance of rain Thursday night.

The chance of rain will be 60% Friday, but Saturday is forecast to be mostly sunny.

High temperatures Tuesday through Saturday on Long Island will range from about 42 degrees on Tuesday to near 61 degrees on Friday, the weather service said.