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Warm, dry conditions ahead for Long Island before rain chances return late week

Unseasonably mild temperatures and plenty of dry weather continue through much of the week, with increasing chances for rain arriving late Thursday into Friday.

Michael Latella

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Nov 2, 2026, 3:33 PM

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Islip Information

Islip Information

Islip, New York • Climate data: Islip MacArthur Airport (ISP)
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Long Island Today forecast
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Tonight will be quiet across Long Island with mainly clear to partly cloudy skies and mild temperatures for early November.

Overnight lows will generally settle into the 40s and lower 50s, setting the stage for a much warmer-than-normal week ahead. Through Wednesday and Thursday, a strengthening ridge of high pressure will bring plenty of dry weather and above-average temperatures, with afternoon highs climbing into the upper 60s and lower 70s. Nights will also become milder, with many locations staying in the 50s.

While most areas will remain dry, increasing moisture may allow for some patchy fog during the overnight and early morning hours, though confidence in any widespread fog remains low.

The warm stretch is expected to continue into the end of the week, but attention will turn to a slow-moving cold front approaching from the west. Current indications suggest the system may arrive later than earlier forecasts suggested, allowing much of Friday to remain mild.

The chance for rain will increase late Thursday night into Friday and could linger at times through the weekend, although there is still uncertainty regarding the exact timing and where the heaviest rainfall may develop. Overall, Long Island should enjoy several more days of unseasonably warm and pleasant weather before a wetter pattern begins to take shape toward the end of the week.

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