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Nice weather for the start of the work week on Long Island

Expect an isolated shower this afternoon, otherwise there will be mostly sunny skies.

Rich Hoffman

Aug 24, 2026, 6:00 AM

Updated

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Islip, New York
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Mostly sunny skies will make for a nice afternoon across Long Island. There is just a small chance of an isolated pop-up shower or thunderstorm after 2 p.m., but most locations will stay dry. Any shower or storm threat will fade as we get closer to sunset. High temperatures will reach the lower 80s, with upper 70s along the shoreline. The UV index will be high, so keep the sunscreen handy if you're spending time outdoors.

Long Island Today forecast

Tonight will be partly cloudy, dry and a little cool for late August. Temperatures will fall into the 50s across some of the cooler locations, with lower 60s elsewhere. Overall, it will be a comfortable night with noticeably cooler conditions by early Tuesday morning.

Long Island tonight forecast

Tuesday brings another beautiful day with mostly sunny skies and comfortable temperatures. Afternoon highs will reach the upper 70s and lower 80s. The nice stretch continues Wednesday with plenty of sunshine and temperatures right around 80 degrees.

Long Island tomorrow forecast

Changes begin Thursday as clouds increase across the area. Scattered showers with a chance of late-day thunderstorms. Highs will again reach the upper 70s and lower 80s. A better chance of wet weather arrives Thursday night and continues into Friday morning, so we'll be tracking the timing and potential impacts as we get closer.

Long Island 10 day forecast

Beach and Boating Forecast

Long Island Rip Currents

Take a look at the new beach and surf forecast - plus a look at the tides

FUTURECAST

Expect cool conditions during the overnight hours for some across the island.


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