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

76°F

24°C

Humidity 72%
Wind Speed E 5 mph
Barometer 30.07 in (1018.0 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Aug 8:56 pm EDT
Extended Forecast for

Coram NY

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 65. Southeast wind 5 to 9 mph becoming light and variable. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 80. Northeast wind 5 to 8 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Light and variable wind.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm. Increasing clouds, with a high near 81. Light and variable wind becoming south 8 to 13 mph in the morning.

    High: 81 °F

    Sunny then
    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 11pm. Low around 68. South wind around 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers

  • Monday

    Monday: Cloudy, then gradually becoming mostly sunny, with a high near 85.

    High: 85 °F

    Decreasing
    Clouds

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 65. Southeast wind 5 to 9 mph becoming light and variable. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 80. Northeast wind 5 to 8 mph.
Saturday Night
Mostly clear, with a low around 63. Light and variable wind.
Sunday
A 30 percent chance of showers after 2pm. Increasing clouds, with a high near 81. Light and variable wind becoming south 8 to 13 mph in the morning.
Sunday Night
Showers, with thunderstorms also possible after 11pm. Low around 68. South wind around 15 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Cloudy, then gradually becoming mostly sunny, with a high near 85.
Monday Night
Partly cloudy, with a low around 66.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 83.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 70.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Mostly sunny, with a high near 81.
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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:
7:59 pm EDT Aug 14, 2026
Forecast Valid:
9pm EDT Aug 14, 2026-6pm EDT Aug 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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