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Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
54°F
12°C
| Humidity | 40% |
| Wind Speed | N 13 mph |
| Barometer | 29.89 in (1012.1 mb) |
| Dewpoint | 30°F (-1°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 21 Mar 3:56 pm EDT |
Extended Forecast for
Hauppauge NY
Tonight

Low: 39 °F
Mostly Cloudy
Sunday

High: 57 °F
Chance
ShowersSunday Night

Low: 39 °F
Showers
Monday

High: 47 °F
Chance Rain
Monday Night

Low: 30 °F
Mostly Clear
Tuesday

High: 45 °F
Sunny
Tuesday Night

Low: 34 °F
Mostly Cloudy
Wednesday

High: 50 °F
Partly Sunny
Wednesday Night

Low: 35 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 39. North wind 6 to 11 mph becoming light and variable.
Sunday
A slight chance of showers before 11am, then a chance of showers after 5pm. Mostly cloudy, with a high near 57. South wind 7 to 11 mph. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 9pm, then rain after 9pm. Low around 39. Light and variable wind becoming north around 6 mph in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of rain before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 47. North wind 8 to 10 mph.
Monday Night
Mostly clear, with a low around 30. North wind around 7 mph.
Tuesday
Sunny, with a high near 45.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Partly sunny, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 35.
Thursday
A chance of rain between 8am and 2pm. Mostly cloudy, with a high near 51. Chance of precipitation is 30%.
Thursday Night
Rain likely. Mostly cloudy, with a low around 40. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 49.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Mostly sunny, with a high near 44.
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)
3:03 pm EDT Mar 21, 2026
4pm EDT Mar 21, 2026-6pm EDT Mar 28, 2026


