Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
24°F
-4°C
| Humidity | 57% |
| Wind Speed | N 5 mph |
| Barometer | 29.90 in (1012.6 mb) |
| Dewpoint | 11°F (-12°C) |
| Visibility | 10.00 mi |
| Wind Chill | 18°F (-8°C) |
| Last update | 5 Feb 9:56 pm EST |
Extended Forecast for
Brentwood NY
Extreme Cold Watch February 7, 06:00pm until February 8, 01:00pm
Tonight
Low: 17 °F
Increasing
CloudsFriday
High: 29 °F
Mostly Cloudy
Friday Night
Low: 24 °F
Chance Snow
then SnowSaturday
High: 23 °F⇓
Snow Likely
and BlusterySaturday Night
Low: 3 °F
Decreasing
Clouds and
BlusterySunday
High: 18 °F
Cold
Sunday Night
Low: 8 °F
Mostly Clear
Monday
High: 26 °F
Mostly Sunny
Monday Night
Low: 12 °F
Partly Cloudy
Detailed Forecast
Tonight
Increasing clouds, with a low around 17. 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. Light west wind. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Snow likely, mainly before 1pm. Cloudy, with a temperature falling to around 15 by 5pm. Wind chill values between -5 and 5. Blustery, with a northwest wind 6 to 11 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Blustery, with a northwest wind 15 to 25 mph, with gusts as high as 40 mph.
Sunday
Sunny and cold, with a high near 18.
Sunday Night
Mostly clear, with a low around 8.
Monday
Mostly sunny, with a high near 26.
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. Partly sunny, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 24.
Thursday
Mostly cloudy, with a high near 36.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Brentwood NY
40.78°N 73.24°W (Elev. 66 ft)
40.78°N 73.24°W (Elev. 66 ft)
1:09 pm EST Feb 5, 2026
10pm EST Feb 5, 2026-6pm EST Feb 12, 2026
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