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Dry and comfortable tonight; warmer Friday with a few rain chances next week

Low temperatures will only drop into the 50s overnight with highs approaching 70 on Friday. Rain chances finally return towards the end of next week.

Matt Hammer

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Oct 29, 2026, 4:08 PM

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Islip Information

Islip Information

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

After another gorgeous day with high temperatures well into the 60s, temperatures are cooling off into the 50s this evening under a partly cloudy sky at times. It will stay dry and comfortable overnight with lows in the lower to middle 50s paired with a southwest breeze around 5 to 15 mph. Enjoy! You should only need a light jacket at worst into Friday morning.

DRY STREAK CONTINUES

We are at 11 days and counting since measurable rain here on Long Island. Check out some rain statistics for the month below. As of now, the next best chance for any sort of steadier rain may hold off until next Thursday or Friday of next week.

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HALLOWEEN FORECAST

Saturday is still looking like a nice day for all Halloween activities. Expect dry weather throughout the day. We'll see a mix of sun and clouds, with afternoon temperatures generally in the 50s, possibly reaching close to 60 degrees. Expect some clouds around, but no rain with temperatures in the lower 50s during the early evening before gradually cooling into the 40s later at night. Sunset on Saturday will be shortly before 6 p.m., so make sure the kids have reflective clothing, glow sticks or flashlights to help drivers see them. Drivers should also slow down and use extra caution in neighborhoods with trick-or-treaters.

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CLOCKS 'FALL BACK' THIS WEEKEND

Daylight saving time comes to an end early Sunday morning! We'll turn our clocks back one hour at 2 a.m., giving us an extra hour of sleep. It's also a great time for an important home safety reminder. Test all your smoke alarms and carbon monoxide detectors, replace batteries if needed and check the expiration dates on your detectors. Smoke alarms generally should be replaced every 10 years, while carbon monoxide detectors should be replaced according to the manufacturer's instructions. It's also a good time to check your fire extinguishers, review your family's fire escape plan, make sure your heating system is ready for the colder weather and check your outdoor lighting and timers. With the time change, sunset Sunday will be shortly before 5 p.m., meaning it will get dark much earlier during the evening commute and after-school activities.

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EXTENDED FORECAST

TONIGHT: Partly cloudy and mild with a southwest breeze around 5 to 15 mph. Lows in the lower to mid-50s.

FRIDAY: Mostly sunny, breezy and even warmer with highs around 70 degrees. Lows near 42 degrees.

SATURDAY: HALLOWEEN -- Mostly sunny to a mix of sun and clouds. Highs around 60 degrees. Lows near 40 degrees.

SUNDAY: CLOCKS 'FALL BACK' AT 2 A.M. - Partly sunny with highs around 62 degrees. Lows near 46 degrees.

MONDAY: Partly sunny. Highs around 65 degrees. Lows near 48 degrees.

TUESDAY: ELECTION DAY -- Mostly cloudy to partly sunny. Highs around 65 degrees. Lows near 49 degrees.

WEDNESDAY: Mostly cloudy. Highs around 64 degrees. Lows near 53 degrees.

THURSDAY: Mostly cloudy with rain showers possible. Highs around 66 degrees. Lows near 55 degrees.

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