Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Light Freezing Rain Fog/Mist
21°F
-6°C
| Humidity | 88% |
| Wind Speed | N 20 G 30 mph |
| Barometer | 29.69 in (1005.5 mb) |
| Dewpoint | 18°F (-8°C) |
| Visibility | 6.00 mi |
| Wind Chill | 6°F (-14°C) |
| Last update | 26 Jan 12:56 am EST |
Extended Forecast for
Hauppauge NY
Overnight

Low: 29 °F
Chance Wintry
Mix and
BlusteryMonday
High: 29 °F⇓
Chance Wintry
Mix then
Slight Chance
Light SnowMonday Night

Low: 12 °F
Mostly Clear
Tuesday

High: 21 °F
Mostly Sunny
Tuesday Night

Low: 9 °F
Mostly Clear
Wednesday

High: 22 °F
Mostly Sunny
Wednesday Night

Low: 12 °F
Mostly Cloudy
Thursday

High: 22 °F
Partly Sunny
Thursday Night

Low: 8 °F
Mostly Clear
Detailed Forecast
Overnight
A chance of snow, freezing rain, and sleet before 4am, then a chance of snow and freezing rain. Cloudy, with a steady temperature around 29. Wind chill values between 15 and 20. Blustery, with a northeast wind 13 to 22 mph. Chance of precipitation is 40%.
Monday
A chance of snow and freezing rain before 10am, then a slight chance of snow between 10am and 1pm. Mostly cloudy, with a temperature rising to near 29 by 11am, then falling to around 25 during the remainder of the day. Wind chill values between 15 and 25. North wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 21 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 12. Wind chill values between zero and 10. Northwest wind 13 to 17 mph.
Tuesday
Mostly sunny, with a high near 21. Wind chill values between zero and 10. West wind 9 to 13 mph.
Tuesday Night
Mostly clear, with a low around 9. West wind 9 to 14 mph.
Wednesday
Mostly sunny, with a high near 22.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 22.
Thursday Night
Mostly clear, with a low around 8.
Friday
Mostly sunny and cold, with a high near 19.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 23.
Saturday Night
Mostly clear, with a low around 11.
Sunday
Mostly sunny, with a high near 27.
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)
8:33 pm EST Jan 25, 2026
1am EST Jan 26, 2026-6pm EST Feb 1, 2026



