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.

Overcast

49°F

9°C

Humidity 90%
Wind Speed E 10 mph
Barometer 29.76 in (1007.7 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 10 May 7:56 am EDT
Extended Forecast for

Islip, Long Island Mac Arthur Airport NY

  • Today

    Today: Rain likely. Cloudy, with a steady temperature around 51. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain Likely

  • Tonight

    Tonight: A 30 percent chance of showers before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 45. Northeast wind 8 to 10 mph.

    Low: 45 °F

    Chance
    Showers

  • Saturday

    Saturday: Partly sunny, with a high near 60. Northeast wind around 11 mph.

    High: 60 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 47. Southeast wind around 7 mph.

    Low: 47 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 57. East wind 6 to 8 mph.

    High: 57 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Rain likely. Cloudy, with a steady temperature around 51. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 30 percent chance of showers before 2am. Cloudy, then gradually becoming partly cloudy, with a low around 45. Northeast wind 8 to 10 mph.
Saturday
Partly sunny, with a high near 60. Northeast wind around 11 mph.
Saturday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 47. Southeast wind around 7 mph.
Sunday
A 30 percent chance of showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 57. East wind 6 to 8 mph.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Sunny, with a high near 65.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 69.
Tuesday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 66.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 70.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Islip, Long Island Mac Arthur Airport NY
 40.81°N 73.11°W (Elev. 98 ft)
Last Update:
7:05 am EDT May 10, 2024
Forecast Valid:
8am EDT May 10, 2024-6pm EDT May 16, 2024
 
Forecast Discussion
 
Get as KML Get as XML

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