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Becoming less windy tonight with dry weather most of this week on Long Island

It is cool and comfortable tonight as it becomes less breezy, leading to another nice day on Tuesday. There is only a slight chance of rain showers this week.

Matt Hammer

Sep 14, 2026, 5:00 PM

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Islip Information

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Islip, New York • Climate data: Islip MacArthur Airport (ISP)
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THIS EVENING AND OVERNIGHT

After a nice but windy day, the wind gusts up to around 30 mph are gradually diminishing this evening. Overall, it is a spectacular evening, but just a bit breezy still. Temperatures are mostly in the 60s for the evening and it still feels incredibly comfortable with low humidity. Enjoy!

Overnight, it becomes quite cool into early Tuesday under a mostly clear sky with a lighter breeze. You might want a light jacket or sweatshirt overnight into the morning, with most lows in the 50s. In and around the Pine Barrens and the Hamptons, temperatures may dip into the 40s!

NEXT RAIN CHANCES

This is going to be a mostly dry and nice week weather-wise, with cool morning temperatures and warm afternoon temperatures, with an increase in humidity that will be more noticeable by Thursday. That said, a couple of showers cannot be ruled out late Thursday night into Friday morning. As of right now, that is trending mostly dry, but follow this week's forecast updates for any changes. The most likely next best chance for rain here on Long Island will be Sunday afternoon with scattered rain showers arriving.

EXTENDED FORECAST

TONIGHT: Nice! Mostly clear and cool with a lighter wind. You may need a jacket early Tuesday. It will feel chilly in spots with most lows in the lower to mid-50s, but low temperatures can drop into the 40s in and around the Pine Barrens. Wind: north to northeast around 5 to 15 mph.

TUESDAY: Beautiful! Mostly sunny and comfortable with low humidity and just a light breeze. High temperatures will be in the upper 60s to lower 70s. Wind: northeast to southeast around 5 to 15 mph. Lows near 57 degrees.

WEDNESDAY: Mostly sunny with highs around 75 degrees. Lows near 63 degrees.

THURSDAY: Sun and clouds and a bit more humid. Highs around 78 degrees. Lows near 65 degrees. There is a slight chance of a shower overnight into early Friday morning.

FRIDAY: Sun and clouds. Highs around 79 degrees. Lows near 62 degrees.

SATURDAY: Sun and clouds. Highs around 75 degrees. Lows near 60 degrees.

SUNDAY: Increasing clouds with scattered showers likely in the afternoon and evening. Highs around 74 degrees. Lows near 62 degrees.

MONDAY: Partly sunny. Highs around 68 degrees. Lows near 58 degrees.

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