Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
35°F
2°C
| Humidity | 67% |
| Wind Speed | S 5 mph |
| Barometer | 30.15 in (1021.1 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 31°F (-1°C) |
| Last update | 27 Feb 5:56 pm EST |
Extended Forecast for
Hauppauge NY
Tonight
Low: 28 °F
Mostly Clear
then Patchy
FogSaturday
High: 45 °F
Patchy Fog
then Mostly
SunnySaturday Night

Low: 29 °F
Patchy Fog
Sunday
High: 38 °F
Rain/Snow
Likely then
Snow Showers
LikelySunday Night

Low: 17 °F
Mostly Clear
Monday

High: 29 °F
Partly Sunny
Monday Night

Low: 20 °F
Partly Cloudy
Tuesday

High: 41 °F
Chance
Rain/SnowTuesday Night

Low: 36 °F
Rain Likely
Detailed Forecast
Tonight
Patchy fog after midnight. Otherwise, mostly clear, with a low around 28. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 45. Calm wind becoming southwest around 6 mph.
Saturday Night
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 29. Calm wind.
Sunday
A slight chance of rain and snow showers before 10am, then snow showers likely. Cloudy, then gradually becoming mostly sunny, with a high near 38. Northwest wind 3 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Mostly clear, with a low around 17. North wind around 7 mph.
Monday
Partly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
A chance of rain and snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 41. Chance of precipitation is 50%.
Tuesday Night
Rain likely. Cloudy, with a low around 36. Chance of precipitation is 70%.
Wednesday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a high near 45.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 33.
Thursday
A 40 percent chance of rain. Cloudy, with a high near 45.
Thursday Night
Rain likely. Cloudy, with a low around 34. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Cloudy, with a high near 42.
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)
5:52 pm EST Feb 27, 2026
6pm EST Feb 27, 2026-6pm EST Mar 6, 2026


