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.

Overcast

63°F

17°C

Humidity 65%
Wind Speed S 6 mph
Barometer 29.75 in (1007.3 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 9 May 5:56 pm EDT
Extended Forecast for

2 Miles SW Nissequogue NY

Coastal Flood Advisory May 9, 11:00pm until May 10, 03:00am
Click here for hazard details and duration
Coastal Flood Advisory

  • Tonight

    Tonight: Rain, mainly after 11pm. Low around 48. East wind 6 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 48 °F

    Rain Likely
    then Rain

  • Friday

    Friday: Rain. High near 55. East wind 13 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Rain

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 46. East wind 7 to 9 mph.

    Low: 46 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 61. Northeast wind around 9 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. Southeast wind around 6 mph.

    Low: 46 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 61.

    High: 61 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain, mainly after 11pm. Low around 48. East wind 6 to 13 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 55. East wind 13 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
A 30 percent chance of showers, mainly before 2am. Mostly cloudy, with a low around 46. East wind 7 to 9 mph.
Saturday
Partly sunny, with a high near 61. Northeast wind around 9 mph.
Saturday Night
A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 46. Southeast wind around 6 mph.
Sunday
A 30 percent chance of showers before 2pm. Mostly cloudy, with a high near 61.
Sunday Night
Partly cloudy, with a low around 49.
Monday
Mostly sunny, with a high near 67.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 71.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 67.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 71.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Nissequogue NY
 40.88°N 73.21°W (Elev. 85 ft)
Last Update:
5:37 pm EDT May 9, 2024
Forecast Valid:
7pm EDT May 9, 2024-6pm EDT May 16, 2024
 
Forecast Discussion
 
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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