Weather Over The Last 8 Weeks:

 

This station has 22,746 daily observations. Dated from September 5, 1963 until December 20, 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 (December 21) in Weather History for Islip, New York


Records For This Day:

Max High: 60° recorded in 2018
Min High: 20° recorded in 1963
Max Low: 53° recorded in 2018
Min Low: 9° recorded in 2004
Max Precip: 1.81" recorded in 1973
Max Snowfall: 2.0" recorded in 2024