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Autumn inbound: Breezy sunday showers make way for midweek chill across Long Island

Keep an umbrella close tomorrow as spotty rain moves through Long Island before the coldest air of the season settles in by Tuesday.

Jonathan Cubit

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Oct 3, 2026, 5:27 PM

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Islip Information

Islip Information

Islip, New York • Climate data: Islip MacArthur Airport (ISP)
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WHAT TO KNOW

Clear, cooler, and crisp air settles in overnight. Expect temperatures to drop into the low to mid-50s as a cool, steady breeze blows in from the northeast.

Sunday brings overcast skies and breezy conditions. Waves of off-and-on showers will push through Long Island, especially during the afternoon. While heavy, soaking rains aren't expected, you'll want to keep a jacket or umbrella handy for periodic light rain and damp conditions throughout the day.

Brilliantly sunny skies return next week on Monday with mild temperatures, but a sharp cold front drops temperatures by Tuesday and Wednesday. Mornings will start out chilly in the 40s, with afternoon highs struggling to get out of the around the 60-degree mark, bringing the first true taste of cold autumn air to Long Island.

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