Pleasant, clear skies at the beginning of the week will give way to a fall chill and chances of rain, according to the National Weather Service.

Sunday will be mostly clear, with highs in the low to mid-60s, said Joey Picca, meteorologist with the service's Upton bureau. Lows will range from the mid- to upper 40s in areas close to New York City to the mid- to upper 30s in some areas of the Pine Barrens, Picca said.

Monday will be dry and sunny, with highs in the mid-60s. Lows on Monday will be in the upper 40s to low 50s across Long Island.

Tuesday will see highs in the mid-60s, with a slight chance of showers courtesy of a weak system passing to the north, he said. Tuesday night will be clear with lows in the low to mid-40s.

A chance of rain returns on Wednesday, with highs in the upper 50s to 60 degrees, and a 30 to 40 percent chance of showers. Lows on Wednesday will be in the low 40s.

Thursday's highs will only reach into the mid- to upper 50s, which Picca said is slightly below normal for this time of year. Lows on Thursday will dip into the upper 30s to low 40s.

Friday's highs will be in the mid- to upper 50s, with dry skies.

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