Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Overcast
34°F
1°C
| Humidity | 89% |
| Wind Speed | W 8 mph |
| Barometer | 30.07 in (1018.3 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 27°F (-3°C) |
| Last update | 17 Jan 5:56 pm EST |
Extended Forecast for
5 Miles SSE Blue Point NY
Winter Weather Advisory January 18, 10:00am until January 18, 10:00pm
Tonight
Low: 33 °F
Mostly Cloudy
then Chance
RainSunday
High: 36 °F
Rain/Snow
then SnowSunday Night

Low: 27 °F
Chance Snow
M.L.King Day

High: 34 °F
Mostly Sunny
and BreezyMonday Night

Low: 20 °F
Partly Cloudy
and WindyTuesday

High: 25 °F
Mostly Sunny
and BreezyTuesday Night
Low: 20 °F
Mostly Clear
and Breezy
then Mostly
ClearWednesday
High: 40 °F
Sunny then
Mostly Sunny
and BreezyWednesday Night

Low: 34 °F
Mostly Cloudy
and Breezy
Detailed Forecast
Tonight
A 40 percent chance of rain, mainly after 4am. Increasing clouds, with a low around 33. West wind 5 to 15 mph.
Sunday
Periods of rain and snow, becoming all snow after 11am. High near 36. West wind 6 to 10 mph becoming northeast in the afternoon. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Sunday Night
A 50 percent chance of snow before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 27. Wind chill values between 15 and 20. Northwest wind 10 to 14 mph.
M.L.King Day
Mostly sunny, with a high near 34. Wind chill values between 15 and 20. Breezy, with a west wind 15 to 25 mph.
Monday Night
Partly cloudy, with a low around 20. Windy, with a west wind 22 to 28 mph.
Tuesday
Mostly sunny, with a high near 25. Breezy.
Tuesday Night
Mostly clear, with a low around 20. Breezy.
Wednesday
Mostly sunny, with a high near 40. Breezy.
Wednesday Night
Mostly cloudy, with a low around 34. Breezy.
Thursday
Mostly cloudy, with a high near 38. Breezy.
Thursday Night
Partly cloudy, with a low around 24. Breezy.
Friday
Mostly sunny, with a high near 34.
Friday Night
Mostly cloudy, with a low around 27.
Saturday
Partly sunny, with a high near 34.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles SSE Blue Point NY
40.68°N 72.99°W (Elev. 0 ft)
40.68°N 72.99°W (Elev. 0 ft)
5:41 pm EST Jan 17, 2026
6pm EST Jan 17, 2026-6pm EST Jan 24, 2026



