Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
30°F
-1°C
| Humidity | 43% |
| Wind Speed | Calm |
| Barometer | 29.95 in (1014.4 mb) |
| Dewpoint | 10°F (-12°C) |
| Visibility | 10.00 mi |
| Last update | 5 Feb 4:56 pm EST |
Extended Forecast for
Holbrook NY
Extreme Cold Watch February 7, 06:00pm until February 8, 01:00pm
Tonight

Low: 16 °F
Increasing
CloudsFriday

High: 29 °F
Mostly Cloudy
Friday Night
Low: 24 °F
Chance Snow
then SnowSaturday

High: 23 °F⇓
Snow and
WindySaturday Night

Low: 4 °F
Decreasing
Clouds and
WindySunday

High: 18 °F
Cold
Sunday Night

Low: 7 °F
Mostly Clear
Monday

High: 25 °F
Mostly Sunny
Monday Night

Low: 12 °F
Partly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 16. Light north wind.
Friday
Mostly cloudy, with a high near 29. Wind chill values between 15 and 25. North wind around 5 mph becoming calm in the afternoon.
Friday Night
Snow, mainly after 1am. Steady temperature around 24. Calm wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Snow, mainly before 1pm. Temperature falling to around 15 by 5pm. Wind chill values between -5 and 5. Windy, with a northwest wind 6 to 16 mph increasing to 16 to 26 mph in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 4. Windy, with a northwest wind 23 to 28 mph decreasing to 16 to 21 mph after midnight. Winds could gust as high as 40 mph.
Sunday
Sunny and cold, with a high near 18.
Sunday Night
Mostly clear, with a low around 7.
Monday
Mostly sunny, with a high near 25.
Monday Night
Partly cloudy, with a low around 12.
Tuesday
Mostly sunny, with a high near 29.
Tuesday Night
Mostly cloudy, with a low around 18.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 35.
Wednesday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 24.
Thursday
Mostly cloudy, with a high near 36.
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)
1:09 pm EST Feb 5, 2026
5pm EST Feb 5, 2026-6pm EST Feb 12, 2026



