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.

Heavy Rain Fog/Mist

49°F

9°C

Humidity 93%
Wind Speed NW 9 mph
Barometer 29.59 in (1002.0 mb)
Dewpoint 47°F (8°C)
Visibility 1.50 mi
Wind Chill45°F (7°C)
Last update 21 Nov 5:56 am EST
Extended Forecast for

Hauppauge NY

Coastal Flood Advisory November 21, 11:00am until November 21, 05:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • Today

    Today: Showers and possibly a thunderstorm before 10am, then showers likely. High near 52. Northeast wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 52 °F

    Showers then
    Showers
    Likely

  • Tonight

    Tonight: Showers likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 35. Northwest wind around 15 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Showers
    Likely then
    Chance
    Showers

  • Friday

    Friday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 47. Southwest wind 7 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely, mainly before 1am. Mostly cloudy, with a low around 36. South wind 5 to 9 mph becoming north after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 36 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 50. West wind 13 to 17 mph, with gusts as high as 28 mph.

    High: 50 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm before 10am, then showers likely. High near 52. Northeast wind 10 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tonight
Showers likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 35. Northwest wind around 15 mph becoming southwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 47. Southwest wind 7 to 14 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers likely, mainly before 1am. Mostly cloudy, with a low around 36. South wind 5 to 9 mph becoming north after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 50. West wind 13 to 17 mph, with gusts as high as 28 mph.
Saturday Night
Partly cloudy, with a low around 40.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 55.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 48.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
Last Update:
5:38 am EST Nov 21, 2024
Forecast Valid:
7am EST Nov 21, 2024-6pm EST Nov 27, 2024
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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