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Islip Information

Islip, New York
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Sunrise
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Islip
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Sunset
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Islip
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UV Index Today
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Moon Phase
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Tonight
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Air Quality
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Mostly sunny skies mix with clouds at times are on tap for today, but you’ll definitely notice the warmth and humidity. High temperatures will climb into the 80s, with feels-like temperatures approaching 90 degrees, especially across Nassau County and western Suffolk County. The UV index will be high, so don’t forget the sunscreen if you’re spending time outdoors. And if you’re heading to the South Shore beaches, use caution in the water with a risk of rip currents.
Long Island Today forecast
Tonight will be partly cloudy, warm and a little muggy. Temperatures won’t cool off all that much, with overnight lows generally in the upper 60s and lower 70s. Overall, it’s a quiet night before our weather starts to turn more unsettled on Thursday.
Long Island tonight forecast
Thursday starts with some morning sunshine before clouds increase during the afternoon. Showers and thunderstorms will begin developing later in the day, with some storms capable of producing brief heavy downpours. The steadiest wet weather looks to come Thursday night into very early Friday morning. Highs Thursday will be in the 80s, with overnight lows dropping into the 60s.
A lingering shower is possible Friday morning, followed by improving conditions and some afternoon sunshine. Highs will be around 80 degrees. We’re tracking more wet weather for the weekend, with clouds and periods of showers, especially Saturday, before possibly drying out later in the day. A shower could linger into early Sunday morning, but the entire weekend doesn’t look like a washout. Weekend highs will generally be in the upper 70s and lower 80s.

FUTURECAST

Here is a look at the latest future radar for Long Island.

BOAT AND BEACH

Anyone heading to the beach should check the latest rip current statements before getting in the water. Check out more of the local beach weather forecast and tides here.
Long Island Rip Currents
Long Island 10 day forecast