Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.N/A
| Humidity | NA |
| Wind Speed | NA |
| Barometer | NA |
| Dewpoint | N/A |
| Visibility | NA |
| Last update | *** Not a current observation *** |
Extended Forecast for
East Islip NY
Winter Storm Warning December 26, 04:00pm until December 27, 01:00pm
Overnight

Low: 23 °F
Mostly Clear
Friday
High: 32 °F
Partly Sunny
then Chance
SnowFriday Night

Low: 26 °F⇑
Heavy Snow
Saturday

High: 34 °F
Chance Snow
Saturday Night

Low: 21 °F
Partly Cloudy
Sunday
High: 41 °F
Partly Sunny
then Chance
RainSunday Night

Low: 32 °F
Rain
Monday

High: 50 °F
Rain
Monday Night

Low: 26 °F
Partly Cloudy
Detailed Forecast
Overnight
Mostly clear, with a steady temperature around 23. Wind chill values between 10 and 15. North wind around 10 mph, with gusts as high as 23 mph.
Friday
A 30 percent chance of snow after 4pm. Increasing clouds, with a high near 32. Wind chill values between 10 and 20. North wind 6 to 9 mph.
Friday Night
Snow. The snow could be heavy at times. Temperature rising to around 30 by 1am. East wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.
Saturday
A 40 percent chance of snow before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 34. Wind chill values between 20 and 25. Northeast wind 8 to 13 mph.
Saturday Night
Partly cloudy, with a low around 21. North wind 3 to 5 mph.
Sunday
A 30 percent chance of rain after 4pm. Mostly cloudy, with a high near 41.
Sunday Night
Rain, mainly after 7pm. Low around 32. Chance of precipitation is 90%.
Monday
Rain. High near 50. Chance of precipitation is 90%.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 25.
Wednesday
Mostly sunny, with a high near 37.
Wednesday Night
Mostly cloudy, with a low around 22.
New Year's Day
Partly sunny, with a high near 32.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
East Islip NY
40.73°N 73.19°W (Elev. 16 ft)
40.73°N 73.19°W (Elev. 16 ft)
1:48 am EST Dec 26, 2025
3am EST Dec 26, 2025-6pm EST Jan 1, 2026



