Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
13°F
-11°C
| Humidity | 44% |
| Wind Speed | N 6 mph |
| Barometer | 30.65 in (1037.9 mb) |
| Dewpoint | -5°F (-21°C) |
| Visibility | 10.00 mi |
| Wind Chill | 4°F (-16°C) |
| Last update | 25 Jan 1:56 am EST |
Extended Forecast for
Blue Point NY
Winter Storm Warning until January 26, 01:00pm
NOW until 1:00pm Mon

Winter Storm Warning
Overnight

Low: 12 °F
Chance Snow
Sunday
High: 33 °F
Heavy Snow
then
Snow/Sleet
and BreezySunday Night
Low: 30 °F
Wintry Mix
and Blustery
then Wintry
Mix LikelyMonday

High: 30 °F⇓
Chance Wintry
MixMonday Night

Low: 13 °F
Partly Cloudy
Tuesday

High: 22 °F
Mostly Sunny
Tuesday Night

Low: 11 °F
Partly Cloudy
Wednesday

High: 24 °F
Mostly Sunny
Detailed Forecast
Overnight
A 40 percent chance of snow after 4am. Cloudy, with a low around 12. Wind chill values between 5 and 10. Northeast wind around 6 mph.
Sunday
Snow before 4pm, then snow and sleet. The snow could be heavy at times. High near 33. Wind chill values between 5 and 15. Breezy, with a northeast wind 6 to 11 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 5 to 9 inches possible.
Sunday Night
Sleet, possibly mixed with freezing rain, mainly before 4am. Steady temperature around 30. Wind chill values between 15 and 20. Blustery, with a northeast wind 11 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. New sleet accumulation of 1 to 2 inches possible.
Monday
A chance of snow, freezing rain, and sleet before 7am, then a chance of snow and freezing rain between 7am and 4pm, then a slight chance of snow after 4pm. Cloudy, with a temperature rising to near 30 by 9am, then falling to around 26 during the remainder of the day. Wind chill values between 15 and 25. North wind 6 to 14 mph becoming northwest in the afternoon. Chance of precipitation is 40%.
Monday Night
Partly cloudy, with a low around 13. Northwest wind around 16 mph, with gusts as high as 31 mph.
Tuesday
Mostly sunny, with a high near 22.
Tuesday Night
Partly cloudy, with a low around 11.
Wednesday
Mostly sunny, with a high near 24.
Wednesday Night
Mostly cloudy, with a low around 13.
Thursday
Partly sunny, with a high near 23.
Thursday Night
Partly cloudy, with a low around 9.
Friday
Mostly sunny, with a high near 23.
Friday Night
Partly cloudy, with a low around 12.
Saturday
Mostly sunny, with a high near 27.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Blue Point NY
40.75°N 73.04°W (Elev. 30 ft)
40.75°N 73.04°W (Elev. 30 ft)
1:33 am EST Jan 25, 2026
3am EST Jan 25, 2026-6pm EST Jan 31, 2026



