Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
10°F
-12°C
| Humidity | 41% |
| Wind Speed | NW 17 mph |
| Barometer | 30.57 in (1035.4 mb) |
| Dewpoint | -9°F (-23°C) |
| Visibility | 10.00 mi |
| Wind Chill | -8°F (-22°C) |
| Last update | 24 Jan 7:56 am EST |
Extended Forecast for
Hauppauge NY
Cold Weather Advisory January 24, 08:51am until January 24, 12:00pm
Winter Storm Warning January 25, 03:00am until January 26, 06:00pm
NOW until 12:00pm Sat

Cold Weather Advisory
Today

High: 18 °F
Cold
Tonight
Low: 15 °F
Mostly Cloudy
then Chance
SnowSunday

High: 30 °F
Heavy Snow
Sunday Night

Low: 27 °F
Snow/Sleet
Monday

High: 30 °F
Snow Likely
Monday Night

Low: 11 °F
Partly Cloudy
Tuesday

High: 21 °F
Mostly Sunny
Tuesday Night

Low: 10 °F
Partly Cloudy
Detailed Forecast
Today
Mostly sunny and cold, with a high near 18. Wind chill values between -5 and 5. North wind 7 to 10 mph, with gusts as high as 23 mph.
Tonight
A 40 percent chance of snow after 4am. Mostly cloudy, with a steady temperature around 15. Wind chill values between 5 and 10. North wind 3 to 5 mph.
Sunday
Snow, mainly after 7am. The snow could be heavy at times. High near 30. Wind chill values between 5 and 15. Northeast wind 6 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 7 to 11 inches possible.
Sunday Night
Snow and sleet, becoming all snow after 4am. Steady temperature around 27. Wind chill values between 15 and 20. Northeast wind 10 to 14 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 1 to 3 inches possible.
Monday
Snow likely, mainly before 1pm. Cloudy, with a high near 30. North wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Monday Night
Partly cloudy, with a low around 11.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Partly cloudy, with a low around 10.
Wednesday
Mostly sunny, with a high near 23.
Wednesday Night
Mostly cloudy, with a low around 10.
Thursday
Partly sunny, with a high near 22.
Thursday Night
Partly cloudy, with a low around 8.
Friday
Mostly sunny, with a high near 23.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Hauppauge NY
40.82°N 73.2°W (Elev. 197 ft)
40.82°N 73.2°W (Elev. 197 ft)
1:05 am EST Jan 24, 2026
8am EST Jan 24, 2026-6pm EST Jan 30, 2026



