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 93%
Wind Speed NE 10 mph
Barometer 29.97 in (1015.0 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Aug 4:56 am EDT
Extended Forecast for

Coram NY

Coastal Flood Advisory August 21, 08:00pm until August 22, 01:00am
Click here for hazard details and duration
Coastal Flood Advisory

  • Overnight

    Overnight: A 30 percent chance of showers. Cloudy, with a low around 61. Northeast wind around 18 mph, with gusts as high as 30 mph.

    Low: 61 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 73. Breezy, with a northeast wind 17 to 20 mph, with gusts as high as 31 mph.

    High: 73 °F

    Breezy.
    Chance
    Showers then
    Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Breezy, with a northeast wind 16 to 20 mph, with gusts as high as 31 mph.

    Low: 59 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 82. North wind 9 to 15 mph.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Southwest wind 3 to 5 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 30 percent chance of showers. Cloudy, with a low around 61. Northeast wind around 18 mph, with gusts as high as 30 mph.
Thursday
A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 73. Breezy, with a northeast wind 17 to 20 mph, with gusts as high as 31 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Breezy, with a northeast wind 16 to 20 mph, with gusts as high as 31 mph.
Friday
Sunny, with a high near 82. North wind 9 to 15 mph.
Friday Night
Mostly clear, with a low around 64. Southwest wind 3 to 5 mph.
Saturday
Sunny, with a high near 84.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 81.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Coram NY
 40.86°N 73.01°W (Elev. 135 ft)
Last Update:
1:51 am EDT Aug 21, 2025
Forecast Valid:
5am EDT Aug 21, 2025-6pm EDT Aug 27, 2025
 
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