Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
31°F
-1°C
| Humidity | 82% |
| Wind Speed | Calm |
| Barometer | 30.62 in (1037.0 mb) |
| Dewpoint | 26°F (-3°C) |
| Visibility | 10.00 mi |
| Last update | 9 Apr 12:56 am EDT |
Extended Forecast for
Hauppauge NY
Overnight
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
Overnight
Widespread frost. Otherwise, mostly clear, with a low around 32. Calm wind.
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
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Hauppauge NY
40.82°N 73.2°W (Elev. 197 ft)
40.82°N 73.2°W (Elev. 197 ft)
5:30 pm EDT Apr 8, 2026
1am EDT Apr 9, 2026-6pm EDT Apr 15, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
