Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.29°F
-2°C
| Humidity | 56% |
| Wind Speed | NW 10 mph |
| Barometer | 29.73 in (1006.8 mb) |
| Dewpoint | 15°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 20°F (-7°C) |
| Last update | 24 Feb 12:56 am EST |
Extended Forecast for
Patchogue NY
Overnight

Low: 20 °F
Patchy
Blowing SnowTuesday

High: 30 °F
Mostly Sunny
Tuesday Night
Low: 19 °F⇑
Partly Cloudy
then Chance
Snow ShowersWednesday

High: 40 °F
Rain/Snow
LikelyWednesday Night

Low: 28 °F
Partly Cloudy
Thursday
High: 37 °F
Partly Sunny
then Chance
Rain/SnowThursday Night

Low: 27 °F
Snow Likely
Friday

High: 38 °F
Mostly Sunny
Friday Night

Low: 27 °F
Mostly Clear
Detailed Forecast
Overnight
Patchy blowing snow. Mostly cloudy, with a low around 20. Wind chill values between 10 and 15. Northwest wind around 14 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 30. Wind chill values between 5 and 15. Northwest wind 9 to 13 mph.
Tuesday Night
A chance of snow showers between 1am and 4am, then a chance of snow after 4am. Partly cloudy, with a temperature falling to near 19 by 10pm, then rising to around 30 during the remainder of the night. Wind chill values between 10 and 15. Light and variable wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Wednesday
Rain and snow likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 40. Wind chill values between 25 and 35. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 28. Southwest wind around 8 mph, with gusts as high as 21 mph.
Thursday
A chance of rain and snow after 1pm. Partly sunny, with a high near 37. Chance of precipitation is 50%.
Thursday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 38.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 33.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Patchogue NY
40.77°N 73°W (Elev. 43 ft)
40.77°N 73°W (Elev. 43 ft)
11:27 pm EST Feb 23, 2026
1am EST Feb 24, 2026-6pm EST Mar 2, 2026



