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

47°F

8°C

Humidity 93%
Wind Speed NE 14 mph
Barometer 29.43 in (996.4 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 12 Nov 10:56 pm EST
Extended Forecast for

Blue Point NY

Coastal Flood Advisory November 13, 09:00am until November 13, 03:00pm
Click here for hazard details and duration
Coastal Flood Advisory

  • Tonight

    Tonight: Showers before midnight, then rain after midnight. Low around 44. Northeast wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Showers

  • Friday

    Friday: Rain, mainly before 4pm. High near 48. Breezy, with a north wind 15 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain and
    Breezy

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 35. North wind around 10 mph.

    Low: 35 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 47. Northwest wind 9 to 13 mph.

    High: 47 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 36. Northwest wind around 10 mph.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers before midnight, then rain after midnight. Low around 44. Northeast wind 16 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain, mainly before 4pm. High near 48. Breezy, with a north wind 15 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
A 40 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 35. North wind around 10 mph.
Saturday
Partly sunny, with a high near 47. Northwest wind 9 to 13 mph.
Saturday Night
Partly cloudy, with a low around 36. Northwest wind around 10 mph.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Partly cloudy, with a low around 36.
Monday
Sunny, with a high near 50.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Clear, with a low around 38.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Clear, with a low around 40.
Thursday
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blue Point NY
 40.75°N 73.04°W (Elev. 30 ft)
Last Update:
5:04 pm EST Nov 12, 2026
Forecast Valid:
11pm EST Nov 12, 2026-6pm EST Nov 19, 2026
 
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