Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Light Snow Fog/Mist
31°F
-1°C
| Humidity | 85% |
| Wind Speed | E 12 mph |
| Barometer | 30.08 in (1018.5 mb) |
| Dewpoint | 27°F (-3°C) |
| Visibility | 2.50 mi |
| Wind Chill | 22°F (-6°C) |
| Last update | 15 Feb 11:56 pm EST |
Extended Forecast for
Holbrook NY
Overnight

Low: 30 °F
Snow
Washington's Birthday

High: 38 °F
Chance Snow
Monday Night
Low: 27 °F
Partly Cloudy
then Slight
Chance
Snow/SleetTuesday

High: 41 °F
Partly Sunny
Tuesday Night

Low: 31 °F
Increasing
CloudsWednesday

High: 40 °F
Rain Likely
Wednesday Night
Low: 33 °F
Rain Likely
then Mostly
CloudyThursday

High: 40 °F
Mostly Cloudy
Thursday Night

Low: 31 °F
Mostly Cloudy
Detailed Forecast
Overnight
Snow, mainly between 1am and 4am. Low around 30. Northeast wind around 6 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than one inch possible.
Washington's Birthday
A 30 percent chance of snow, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 38. Wind chill values between 25 and 35. Northeast wind 5 to 9 mph becoming light in the afternoon.
Monday Night
A slight chance of snow showers and sleet after 1am. Increasing clouds, with a low around 27. Calm wind. Chance of precipitation is 20%.
Tuesday
Partly sunny, with a high near 41. Calm wind becoming southwest 5 to 7 mph in the morning.
Tuesday Night
Increasing clouds, with a low around 31. Calm wind.
Wednesday
Rain likely, mainly after noon. Cloudy, with a high near 40. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Rain likely before midnight. Mostly cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
Mostly cloudy, with a high near 40.
Thursday Night
Mostly cloudy, with a low around 31.
Friday
A chance of snow before 7am, then rain likely. Mostly cloudy, with a high near 41. Chance of precipitation is 70%.
Friday Night
Rain likely. Cloudy, with a low around 32. Chance of precipitation is 60%.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 42.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 40.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Holbrook NY
40.8°N 73.09°W (Elev. 98 ft)
40.8°N 73.09°W (Elev. 98 ft)
7:19 pm EST Feb 15, 2026
12am EST Feb 16, 2026-6pm EST Feb 22, 2026



