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HEAT ADVISORY: Feels-like temperatures approach 100 degrees

Hot and very humid weather into the weekend. A few pop-up afternoon thunderstorms.

Rich Hoffman

Aug 6, 2026, 6:07 AM

Updated

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Long Island Heat Alerts

HEAT ADVSIORY TODAY THROUGH FRIDAY 8 P.M.: Heat Index Near 100 degrees

Hot weather is settling in across Long Island today, and a Heat Advisory is in effect as heat index values, or feels-like temperatures, climb into the upper 90s to low 100s. Be sure to take the heat seriously by staying hydrated, limiting strenuous outdoor activities during the hottest part of the day, and checking in on anyone who may be more vulnerable to the heat. Morning clouds and fog. to start the day. Expect a mix of sun and clouds this afternoon, with actual high temperatures reaching the mid- and upper 80s for most areas, while western Nassau County could top out in the low 90s. A passing shower or thunderstorm is also possible late this afternoon into the evening. Record High is 90 degrees set in 1977.

Long Island Today forecast

Tonight will remain warm and muggy under partly cloudy skies. Overnight lows will only fall back into the 70s, so there won't be much relief from the heat. A stray shower or thunderstorm can't be ruled out early in the evening before skies become partly cloudy overnight.

Long Island tonight forecast

Friday brings another hot and humid day, with the Heat Advisory continuing. Afternoon temperatures will climb into the 80s to lower 90s, while feels-like temperatures once again reach the 90s to low 100s. We'll also be watching for a few scattered pop-up showers and thunderstorms during the late afternoon. If you're spending time outdoors, remember the UV index will be high, so sunscreen, sunglasses and plenty of water are all must-haves.

Long Island tomorrow forecast

Looking ahead to the weekend, the hot and humid pattern sticks around. Expect a mix of sun and clouds both Saturday and Sunday, with highs mainly in the 80s. Even though actual temperatures won't be extreme, the humidity will push feels-like temperatures well into the 90s. Keep cool, stay hydrated and be prepared for typical summertime conditions if you have outdoor plans.

RIP CURRENTS UPDATE

The current rip current forecast this evening through the next few days is a moderate to borderline high risk at times. Please remain cautious about swimming at the Atlantic Ocean beaches as you try to find some relief from the hot and humid weather and only enter the water where a lifeguard is on duty.

Long Island Rip Currents

Long Island 10 day forecast

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