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Islip Information

Islip, New York • Climate data: Islip MacArthur Airport (ISP)
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1991-2020 Normals
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ISP Climate
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RIGHT NOW

A Flood Advisory has been issued for parts of Suffolk County until 2:15 p.m. in parts of Suffolk county. Heavy rain is occurring and will produce localized flooding in some neighborhoods early this afternoon.

LATER TODAY: DRYING OUT

Storms will clear out by 2 p.m. for Nassau County and by 4 p.m. out east. A mix of sun and clouds returns later today with high temperatures in the upper 70s.

MONDAY: GLOOMY START, THEN NICE

Showers are expected on Monday morning with mostly cloudy skies. This clears out before noon and the rest of the day will be sunny and breezy with temperatures in the mid 70s.

PLEASANT STRETCH AHEAD

Cooler and drier weather from Canada will push in on Tuesday and Wednesday bringing ample sunshine and afternoon temperatures in the low to mid 70s. Wednesday and Thursday morning will be chilly, in the 50s.
Humidity and warmer temperatures returns for Thursday and Friday, with a stray shower. Next weekend looks dry and pleasant, with the coolest and driest air in months possible at the end of the 10-day forecast.