National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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Current Conditions

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Islip NY

7 Day Forecast

For More Weather Information:

New York, NY Local Forecast Office

Overnight

Mostly Clear

Mostly
Clear

Low: 41 °F

Friday

Increasing Clouds

Increasing
Clouds

High: 57 °F

Friday
Night

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

Low: 47 °F

Saturday

Rain Chance for Measurable Precipitation 80%

Rain

High: 52 °F

Saturday
Night

Rain Likely Chance for Measurable Precipitation 60%

Rain
Likely

Low: 40 °F

Sunday

Windy

Windy

High: 52 °F

Sunday
Night

Breezy

Breezy

Low: 37 °F

Monday

Sunny

Sunny

High: 56 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 43 °F

Detailed Forecast

  • Overnight Mostly clear, with a low around 41. Calm wind.
  • Friday Increasing clouds, with a high near 57. Calm wind becoming northeast 5 to 9 mph in the morning.
  • Friday Night Light rain likely, mainly after 1am. Cloudy, with a low around 47. Northeast wind 9 to 15 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
  • Saturday Periods of rain. High near 52. Northeast wind around 18 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
  • Saturday Night Rain likely, mainly before 7pm. Cloudy, with a low around 40. Breezy, with a north wind 18 to 20 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
  • Sunday Partly sunny, with a high near 52. Windy.
  • Sunday Night Mostly clear, with a low around 37. Breezy.
  • Monday Sunny, with a high near 56.
  • Monday Night Partly cloudy, with a low around 43.
  • Tuesday Partly sunny, with a high near 61.
  • Tuesday Night Mostly cloudy, with a low around 49.
  • Wednesday Mostly cloudy, with a high near 62.
  • Wednesday Night Mostly cloudy, with a low around 51.
  • Thursday A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 30%.