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Temperatures climbing to hot levels Friday with chance of weekend storms for Long Island

Parts of Long Island hit 90 degrees going into the weekend, then a cold front with wet weather breaks the heat.

Rich Hoffman

Jun 4, 2026, 12:25 PM

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Lots of sunshine is on the way today, and it’s going to feel more like mid-summer than early June. Temperatures will climb into the 80s across much of Long Island, with a few spots in northwestern Nassau County reaching the upper 80s. Along the shoreline, a cooling sea breeze will keep temperatures mainly in the 70s. With the UV index running high, be sure to use sunscreen and take precautions if you'll be spending extended time outdoors.

Long Island Today forecast
Long Island 12 hour planner forecast

Tonight will feature partly cloudy skies and comfortable conditions. Temperatures will fall back into the 50s and 60s overnight. Some patchy fog may develop toward daybreak, especially in areas that typically see reduced visibility during the early morning hours.

Long Island tonight forecast

Friday brings another warm and mainly sunny day. Expect plenty of sunshine through much of the day before a few afternoon clouds drift in. High temperatures will once again reach the 80s inland, while shoreline communities stay in the 70s. Northwestern Nassau County could flirt with 87 to 92 degrees during the warmest part of the afternoon.

Looking ahead to the weekend, Saturday features a mix of sun and clouds with continued warm weather. Tracking the threat of scattered showers and a few thunderstorms between 7pm and midnight. Highs will reach the 80s inland and remain in the 70s along the coast, with western Nassau County locations potentially reachign the low 90s. By Sunday, clouds will increase during the afternoon as a weather system approaches. Expect partly sunny skies with scattered showers and a few thunderstorms developing later in the day. Temperatures will be a bit lower, ranging from the upper 70s to low 80s.

Long Island tomorrow forecast
Long Island Marine Forecast
Long Island Rip Currents
Long Island 10 day forecast

WHAT THE START OF JUNE BRINGS

The start of June designates the beginning of meteorological summer as well as the start of the 2026 Atlantic hurricane season. Here is the outlook for the upcoming tropical season and what a "strong El Niño" could mean: 2026 ATLANTIC HURRICANE SEASON OUTLOOK

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