Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
30°F
-1°C
| Humidity | 47% |
| Wind Speed | N 17 G 29 mph |
| Barometer | 30.09 in (1019.1 mb) |
| Dewpoint | 12°F (-11°C) |
| Visibility | 10.00 mi |
| Wind Chill | 18°F (-8°C) |
| Last update | 25 Dec 9:56 pm EST |
Extended Forecast for
Blue Point NY
Winter Storm Warning December 26, 04:00pm until December 27, 01:00pm
Tonight

Low: 20 °F
Partly Cloudy
Friday
High: 33 °F
Mostly Sunny
then Chance
SnowFriday Night

Low: 25 °F⇑
Heavy Snow
Saturday
High: 34 °F
Snow Likely
then
Rain/Snow
LikelySaturday Night

Low: 22 °F
Mostly Cloudy
Sunday

High: 40 °F
Mostly Cloudy
Sunday Night

Low: 30 °F
Rain
Monday

High: 49 °F
Rain
Monday Night
Low: 25 °F
Mostly Cloudy
then Partly
Cloudy and
Breezy
Detailed Forecast
Tonight
Partly cloudy, with a low around 20. Wind chill values between 10 and 15. North wind 10 to 14 mph, with gusts as high as 26 mph.
Friday
A 40 percent chance of snow after 4pm. Increasing clouds, with a high near 33. Wind chill values between 10 and 20. North wind 6 to 10 mph.
Friday Night
Snow, mainly after 7pm. The snow could be heavy at times. Temperature falling to near 25 by 8pm, then rising to around 31 during the remainder of the night. Wind chill values between 20 and 25. East wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Saturday
Snow likely before 4pm, then a slight chance of rain. Mostly cloudy, with a high near 34. Wind chill values between 20 and 25. North wind 10 to 14 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday Night
Mostly cloudy, with a low around 22. North wind around 6 mph.
Sunday
Mostly cloudy, with a high near 40.
Sunday Night
Rain. Low around 30. Chance of precipitation is 80%.
Monday
Rain. High near 49. Chance of precipitation is 80%.
Monday Night
Mostly cloudy, with a low around 25. Breezy.
Tuesday
Mostly sunny, with a high near 33. Breezy.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 24.
New Year's Day
Partly sunny, with a high near 35.
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)
1:14 pm EST Dec 25, 2025
10pm EST Dec 25, 2025-6pm EST Jan 1, 2026



