Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fog/Mist
52°F
11°C
| Humidity | 100% |
| Wind Speed | S 17 G 31 mph |
| Barometer | 29.43 in (996.6 mb) |
| Dewpoint | 52°F (11°C) |
| Visibility | 0.25 mi |
| Wind Chill | 47°F (8°C) |
| Last update | 16 Mar 9:56 pm EDT |
Extended Forecast for
Hauppauge NY
Dense Fog Advisory until March 17, 01:00am
Wind Advisory March 16, 10:59pm until March 17, 04:00am
NOW: Multiple hazards in effect
Click HERE for Details
Tonight
Low: 34 °F
Showers and
Areas Dense
FogTuesday
High: 42 °F
Mostly Sunny
Tuesday Night
Low: 24 °F
Partly Cloudy
Wednesday
High: 37 °F
Mostly Sunny
Wednesday Night
Low: 28 °F
Partly Cloudy
Thursday
High: 44 °F
Mostly Sunny
Thursday Night
Low: 33 °F
Mostly Cloudy
Friday
High: 50 °F
Mostly Sunny
Detailed Forecast
Tonight
Showers and possibly a thunderstorm before 2am, then a chance of showers. Areas of dense fog before 2am. Low around 34. Windy, with a south wind 22 to 29 mph becoming west after midnight. Winds could gust as high as 50 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Mostly sunny, with a high near 42. West wind around 14 mph, with gusts as high as 26 mph.
Tuesday Night
Partly cloudy, with a low around 24. Northwest wind 8 to 10 mph, with gusts as high as 21 mph.
Wednesday
Mostly sunny, with a high near 37. Wind chill values between 15 and 25. Northwest wind around 6 mph.
Wednesday Night
Partly cloudy, with a low around 28. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly sunny, with a high near 50.
Friday Night
A 50 percent chance of rain after 8pm. Mostly cloudy, with a low around 36.
Saturday
A 40 percent chance of rain. Partly sunny, with a high near 48.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Sunday
Mostly cloudy, with a high near 47.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 46.
Additional Forecasts and Information
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Point Forecast:
Hauppauge NY
40.82°N 73.2°W (Elev. 197 ft)
40.82°N 73.2°W (Elev. 197 ft)
7:03 pm EDT Mar 16, 2026
10pm EDT Mar 16, 2026-6pm EDT Mar 23, 2026
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