Islip, New York
[Long Island Mac Arthur Airport]

Latitude: 40.79388
Longitude: -73.10189
Elevation 84 feet

Data from National Weather Service: Forecast Office: OKX; Station Code: ISP; GHCN ID: USW00004781

Station Records:
   Max High: 104° recorded on Jul 3, 1966
   Min High: 6° recorded on Jan 21, 1985
   Max Low: 81° recorded on Jul 6, 1999
   Min Low: -14° recorded on Feb 13, 1967
   Max Precip: 13.51" recorded on Aug 13, 2014
   Max Snowfall: 23.5" recorded on Jan 29, 2022

 

 

 

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Weather Over The Last 8 Weeks:
High Temps Low Temps Precip 7 Day Avg

 

This station has 22,651 daily observations. Dated from September 5, 1963 until September 16, 2025.

The data for this station is 99.9% complete, 100.0% of the daily records are available, of which 100.0% of that data is complete.

 

Today (September 17) in Weather History for Islip, New York

Records For This Day:

Max High: 87° recorded in 1991
Min High: 63° recorded in 2013, 1996, 1993, 1990
Max Low: 73° recorded in 1991
Min Low: 45° recorded in 1986
Max Precip: 2.85" recorded in 1996

No Snowfall Recorded Today

 

 

Detailed Forecast