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Toll of Commuting
Fair or Mostly Sunny
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Local
Crime
Weather
Politics
Toll of Commuting

Warmer temperatures before showers going into the weekend across Long Island

A spotty shower tonight and Thursday night with a better chance of showers on Sunday.

Jonathan Cubit

Sep 16, 2026, 3:52 PM

Updated

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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

Tonight turns mostly cloudy, and there will be a chance of a few isolated showers developing into Thursday morning. It will also be noticeably milder and a bit more humid, with overnight temperatures holding in the 60s.

Long Island tonight forecast

Thursday will feature partly sunny skies, at times turning mostly cloudy, with a spotty afternoon shower possible. Highs will reach the mid- to upper 70s.

Long Island tomorrow forecast

Expect clouds and a few rain showers sticking around Thursday night into early Friday morning, with comfortable overnight lows in the 60s. Any morning clouds will quickly break for sunshine by Friday afternoon, making for a warm, dry, and beautiful end to the workweek as temperatures top out in the upper 70s to low 80s.

Friday night stays pleasant and mostly clear with lows in the 60s. Saturday brings a nice blend of sun and clouds alongside cooler highs in the lower 70s, while Sunday looks cloudier with a chance of scattered showers throughout the day.

Long Island 10 day forecast

MARINE AND TIDES

Water conditions locally on the Atlantic Ocean and Long Island Sound will stay pretty calm through this evening.

Long Island Marine Forecast
Long Island Tides

Babylon, NY [8515421]

Long Island tide predictions for today and tomorrow

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Tide predictions and recent observations are provided by NOAA CO-OPS. Tide heights are in feet above mean lower low water (MLLW). Many subordinate stations provide tide predictions but do not report live water level, temperature or pressure observations.

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