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

40°F

4°C

Humidity 65%
Wind Speed SW 16 G 32 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 10 Dec 12:56 am EST
Extended Forecast for

Coram NY

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 33. Wind chill values between 25 and 30. Southwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 49. Southwest wind 10 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Slight Chance
    Rain then
    Rain Likely

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 31. Southwest wind 11 to 14 mph, with gusts as high as 30 mph.

    Low: 31 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a steady temperature around 33. Wind chill values between 20 and 25. West wind 16 to 18 mph, with gusts as high as 33 mph.

    High: 33 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 23. West wind 11 to 17 mph, with gusts as high as 34 mph.

    Low: 23 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of light snow after 1am. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Chance
    Light Snow

  • Saturday

    Saturday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Snow

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 33. Wind chill values between 25 and 30. Southwest wind around 10 mph, with gusts as high as 22 mph.
Wednesday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 49. Southwest wind 10 to 18 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 50 percent chance of rain before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 31. Southwest wind 11 to 14 mph, with gusts as high as 30 mph.
Thursday
Mostly sunny, with a steady temperature around 33. Wind chill values between 20 and 25. West wind 16 to 18 mph, with gusts as high as 33 mph.
Thursday Night
Partly cloudy, with a low around 23. West wind 11 to 17 mph, with gusts as high as 34 mph.
Friday
Mostly sunny, with a high near 37.
Friday Night
A 30 percent chance of light snow after 1am. Mostly cloudy, with a low around 25.
Saturday
Mostly cloudy, with a high near 42.
Saturday Night
A 30 percent chance of snow after 1am. Mostly cloudy, with a low around 29.
Sunday
A chance of snow before 9am, then a chance of rain between 9am and 1pm. Partly sunny, with a high near 39. Chance of precipitation is 40%.
Sunday Night
Partly cloudy, with a low around 19.
Monday
Mostly sunny, with a high near 32.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 34.
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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:
5:42 pm EST Dec 9, 2025
Forecast Valid:
1am EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation