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STORM WATCH: Cloudy with rounds of rain arriving Sunday

Get outside and enjoy the comfortable tonight and tomorrow before the rain moves in on Sunday!

Alex Calamia

Sep 19, 2026, 6:22 AM

Updated

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Islip Information

Islip Information

Islip, New York • Climate data: Islip MacArthur Airport (ISP)
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Beautiful today

It's a very pleasant Saturday with temperatures in the 60s this morning. Temperatures will remain in the 60 for most of the afternoon, which is well below the typical high for this time of the year in the mid 70s. Rain is not expected today. The wind predominately come from the east at 10 mph.

Chilly tonight

Temperatures will drop into the low to mid 50s by Sunday morning with increasing clouds and a east to southeast wind at 5-10 mph

Sunday is a soaker

Steady rain develops tomorrow with a few spots seeing localized downpours. Most of these showers are just a nuisance but flooding is possible where the heaviest rain develops in the afternoon and evening. Thunderstorms are not expected; however showers will be widespread which could bring 1-2" of rain in some neighborhoods.

Chilly & gloomy next week

A coastal storm will sit offshore for the entire week bringing persistent easterly breezes, chilly and overcast skies, and showers for most of next week. The worst wind will likely be on Tuesday and Wednesday with gusts reaching 30 mph in coastal spots.

However, a potential nor'easter will develop on Thursday. There is still very low confidence about whether storm will get close enough to create flooding, or if the rain will be light enough to just be a nuisance. We will have more details after tomorrow when the pattern settles in.

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