Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog/Mist
34°F
1°C
| Humidity | 89% |
| Wind Speed | SW 12 mph |
| Barometer | 30.15 in (1021.0 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 4.00 mi |
| Wind Chill | 25°F (-4°C) |
| Last update | 17 Feb 8:56 am EST |
Extended Forecast for
Hauppauge NY
Today

High: 43 °F
Decreasing
CloudsTonight
Low: 31 °F
Partly Cloudy
then Patchy
FogWednesday

High: 42 °F
Rain
Wednesday Night

Low: 32 °F
Rain Likely
Thursday

High: 40 °F
Mostly Cloudy
Thursday Night
Low: 29 °F
Chance Rain
then Chance
Rain/SnowFriday

High: 40 °F
Rain
Friday Night
Low: 31 °F
Chance Rain
then Chance
Rain/SnowSaturday

High: 41 °F
Chance
Rain/Snow
Detailed Forecast
Today
Cloudy, then gradually becoming mostly sunny, with a high near 43. Southwest wind 6 to 8 mph.
Tonight
Patchy fog after 4am. Otherwise, increasing clouds, with a low around 31. Light west wind.
Wednesday
Rain. High near 42. Calm wind becoming southeast around 6 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely before 1am. Mostly cloudy, with a low around 32. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 60%.
Thursday
Mostly cloudy, with a high near 40. Northeast wind 5 to 7 mph becoming east in the afternoon.
Thursday Night
A chance of rain before 1am, then a chance of snow. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Friday
Rain. High near 40. Chance of precipitation is 80%.
Friday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Saturday
A chance of rain and snow before 1pm. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 27.
Sunday
A 50 percent chance of snow. Partly sunny, with a high near 37.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 36.
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)
4:22 am EST Feb 17, 2026
9am EST Feb 17, 2026-6pm EST Feb 23, 2026


