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Cool, crisp and dry conditions continue on Long Island heading into November

Expect a mix of sun and clouds, with temperatures reaching near 60 on Sunday afternoon.

Jonathan Cubit

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Oct 31, 2026, 5:36 PM

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Islip Information

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Islip, New York • Climate data: Islip MacArthur Airport (ISP)
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FROST ADVISORY for Suffolk County tonight 10 PM until Sunday 8 AM

A_Freeze_Frost.png

Tonight

If you are heading out to a local Halloween parade or taking the kids trick-or-treating, expect chilly but dry weather. Noticeably chillier after sunset. Lows will fall into the 30s for some spots with Suffolk County in a Frost Advisory.

Sunday

Daylight Saving Time will end, resulting in an extra hour of sleep. The sun will rise an hour early and also set an hour earlier.

It's a very chilly start to the day with frost expected in cooler pockets and freezing temperatures by the pine barrens. Expect a mix of sun and clouds, with temperatures reaching near 60 in the afternoon. It's great weather for New York City Marathon runners and spectators.

The work week

November starts with cool and sunny weather. Temperatures are in the mid- to upper 60s and could hit 70 on Wednesday and Thursday. Typical high temperatures are only in the 50s for this time of the year.

An end to the dry streak

It's been 14 days since the last time it rained as of Saturday. Changes are on the way. Rain will likely return Thursday evening into Friday, but there is still uncertainty about how heavy the rain will be or if it will last into next weekend. If Thursday has no rain, that will be an 18 day streak without measurable precipitation.

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