Weather By Day
Islip New York State Weather  
 
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Current Islip Weather Conditions
Overcast and breezy and 42.0 F (5.6 C) in Islip, New York State. Winds are from the North at 21.9 gusting to 25.3 MPH (19 gusting to 22 KT). The wind chill is 33 F (1 C). The barometric pressure is 1011.2 mb. The dewpoint is 24.1 F (-4.4 C). Sunrise will be at and Sunset will be at . Last Updated on Mar 16 2010, 5:56 am EDT.
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Islip Weather Vacation Helper

Our tool will determine the normal high and low temperatures, and the record temperatures for the dates that you have entered. When the dates are close, please look up the Islip weather report to determine the most likely weather for your activities.



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Islip rain graphic
Islip snow graphic

Monthly Islip Temperature Extremes and Norms and Precipitation

  Record
High
Temp
(°F)		 Normal
High
Temp
(°F)		 Normal
Low
Temp
(°F)		 Record
Low
Temp
(°F)		 Normal
Monthly
Precipitation
(in.)		 Normal
Monthly
Snowfall
(in.)
January 69 39.1 22.6 -7 4.27 8.1
February 67 40.5 24.3 1 3.33 6
March 82 48.5 31.1 8 4.76 5.3
April 94 58.1 40 24 4.13 0.9
May 98 68.9 49.4 34 3.9 0
June 96 77.4 59.6 43 3.71 0
July 102 83.2 65.9 50 2.93 0
August 100 81.7 64.5 45 4.48 0
September 92 74.9 56.6 38 3.39 0
October 86 64 44.6 28 3.63 0
November 78 53.7 36.1 11 3.86 0.9
December 77 43.9 27.5 5 4.13 4.1