Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
42°F
6°C
| Humidity | 51% |
| Wind Speed | S 12 mph |
| Barometer | 30.59 in (1035.8 mb) |
| Dewpoint | 25°F (-4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 8 Apr 4:56 pm EDT |
Extended Forecast for
Hauppauge NY
Tonight

Low: 32 °F
Frost
Thursday

High: 51 °F
Areas Frost
then SunnyThursday Night

Low: 36 °F
Mostly Clear
Friday

High: 57 °F
Sunny
Friday Night
Low: 45 °F
Mostly Cloudy
then Slight
Chance
ShowersSaturday

High: 59 °F
Becoming
SunnySaturday Night

Low: 39 °F
Mostly Clear
Sunday

High: 54 °F
Mostly Sunny
Sunday Night

Low: 44 °F
Mostly Cloudy
Detailed Forecast
Tonight
Widespread frost, mainly after 1am. Otherwise, clear, with a low around 32. South wind around 5 mph becoming calm in the evening.
Thursday
Areas of frost before 9am. Otherwise, sunny, with a high near 51. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 36. Light south wind.
Friday
Sunny, with a high near 57. Calm wind becoming south 5 to 9 mph in the morning.
Friday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 45. South wind 6 to 8 mph.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 59.
Saturday Night
Mostly clear, with a low around 39.
Sunday
Mostly sunny, with a high near 54.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 64.
Monday Night
Mostly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 71.
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)
2:30 pm EDT Apr 8, 2026
5pm EDT Apr 8, 2026-6pm EDT Apr 15, 2026


