National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Rain

48°F

9°C

Humidity 89%
Wind Speed W 14 mph
Barometer 29.38 in (994.9 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 17 Mar 1:56 am EDT
Extended Forecast for

Hauppauge NY

Wind Advisory March 17, 02:57am until March 17, 04:00am
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory March 17, 02:57am until March 17, 04:00am

    NOW until 4:00am Tue

    Wind Advisory

  • Overnight

    Low: 34 °F

    Chance
    Showers and
    Windy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42. Wind chill values between 25 and 35. Breezy, with a west wind 17 to 21 mph, with gusts as high as 32 mph.

    High: 42 °F

    Mostly Sunny
    and Breezy

  • Tuesday Night

    Tuesday Night: A chance of flurries before 11pm. Partly cloudy, with a low around 24. Wind chill values between 15 and 20. Northwest wind 9 to 13 mph.

    Low: 24 °F

    Chance
    Flurries

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Wind chill values between 15 and 25. Northwest wind 6 to 8 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 25. South wind around 5 mph becoming calm in the evening.

    Low: 25 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 33.

    Low: 33 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

Detailed Forecast

Overnight
A 30 percent chance of showers. Mostly cloudy, with a low around 34. Windy, with a west wind 28 to 32 mph, with gusts as high as 50 mph.
Tuesday
Mostly sunny, with a high near 42. Wind chill values between 25 and 35. Breezy, with a west wind 17 to 21 mph, with gusts as high as 32 mph.
Tuesday Night
A chance of flurries before 11pm. Partly cloudy, with a low around 24. Wind chill values between 15 and 20. Northwest wind 9 to 13 mph.
Wednesday
Mostly sunny, with a high near 38. Wind chill values between 15 and 25. Northwest wind 6 to 8 mph.
Wednesday Night
Partly cloudy, with a low around 25. South wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 44.
Thursday Night
Partly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 50.
Friday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 37.
Saturday
A 30 percent chance of rain before 2pm. Partly sunny, with a high near 50.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 35.
Sunday
Mostly cloudy, with a high near 51.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 32.
Monday
Partly sunny, with a high near 45.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
Last Update:
2:29 am EDT Mar 17, 2026
Forecast Valid:
2am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation