Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
11°F
-12°C
| Humidity | 48% |
| Wind Speed | N 17 mph |
| Barometer | 30.19 in (1022.5 mb) |
| Dewpoint | -5°F (-21°C) |
| Visibility | 10.00 mi |
| Wind Chill | -6°F (-21°C) |
| Last update | 9 Feb 2:56 am EST |
Extended Forecast for
5 Miles SSE Blue Point NY
Cold Weather Advisory February 9, 03:54am until February 9, 10:00am
NOW until 10:00am Mon

Cold Weather Advisory
Overnight

Low: 12 °F
Mostly Clear
and BlusteryMonday

High: 27 °F
Sunny
Monday Night

Low: 23 °F
Mostly Cloudy
Tuesday
High: 37 °F
Partly Sunny
then Slight
Chance SnowTuesday Night

Low: 31 °F
Chance
Rain/SnowWednesday

High: 36 °F
Mostly Sunny
Wednesday Night

Low: 26 °F
Partly Cloudy
Thursday

High: 32 °F
Mostly Sunny
Detailed Forecast
Overnight
Mostly clear, with a low around 12. Wind chill values between -5 and zero. Blustery, with a northwest wind 18 to 20 mph.
Monday
Sunny, with a high near 27. Wind chill values between -5 and 5. Northwest wind 14 to 18 mph.
Monday Night
Mostly cloudy, with a low around 23. Wind chill values between 15 and 20. Northwest wind 6 to 13 mph.
Tuesday
A 20 percent chance of snow after 1pm. Increasing clouds, with a high near 37. Wind chill values between 15 and 25. Northwest wind 6 to 10 mph becoming south in the afternoon.
Tuesday Night
A chance of snow, mixing with rain after 10pm, then gradually ending. Cloudy, then gradually becoming partly cloudy, with a low around 31. South wind 10 to 13 mph becoming west after midnight. Chance of precipitation is 30%.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 26.
Thursday
Mostly sunny, with a high near 32.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Sunny, with a high near 32.
Friday Night
Mostly clear, with a low around 25.
Saturday
Sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 27.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 30%.
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)
1:31 am EST Feb 9, 2026
3am EST Feb 9, 2026-6pm EST Feb 15, 2026



