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

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

73°F

23°C

Humidity 96%
Wind Speed Calm
Barometer 29.82 in (1009.5 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 4 Sep 3:56 am EDT
Extended Forecast for

Coram NY

  • Overnight

    Overnight: Showers likely and possibly a thunderstorm before 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 69. Light west wind. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms before 8am. Mostly cloudy through mid morning, then becoming sunny, with a high near 83. Northwest wind 3 to 7 mph.

    High: 83 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 64. Northwest wind 3 to 6 mph.

    Low: 64 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78. North wind 6 to 9 mph.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Scattered showers before 2am. Mostly cloudy, with a low around 59. Northeast wind around 6 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Scattered
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

Detailed Forecast

Overnight
Showers likely and possibly a thunderstorm before 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 69. Light west wind. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms before 8am. Mostly cloudy through mid morning, then becoming sunny, with a high near 83. Northwest wind 3 to 7 mph.
Friday Night
Mostly clear, with a low around 64. Northwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 78. North wind 6 to 9 mph.
Saturday Night
Scattered showers before 2am. Mostly cloudy, with a low around 59. Northeast wind around 6 mph. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 72.
Sunday Night
Mostly clear, with a low around 58.
Labor Day
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 65.
Thursday
Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Coram NY
 40.88°N 73.01°W (Elev. 98 ft)
Last Update:
2:33 am EDT Sep 4, 2026
Forecast Valid:
4am EDT Sep 4, 2026-6pm EDT Sep 10, 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