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.

A Few Clouds

75°F

24°C

Humidity 74%
Wind Speed SW 13 mph
Barometer 30.26 in (1024.6 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 Jun 8:56 am EDT
Extended Forecast for

2 Miles NNW Stony Brook NY

  • Today

    Today: Sunny, with a high near 85. South wind 8 to 11 mph.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 67. Southwest wind 7 to 11 mph.

    Low: 67 °F

    Partly Cloudy

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 88. South wind 8 to 10 mph.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 68. Southwest wind 8 to 11 mph.

    Low: 68 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 88. Southwest wind 9 to 11 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 85. South wind 8 to 11 mph.
Tonight
Partly cloudy, with a low around 67. Southwest wind 7 to 11 mph.
Juneteenth
Mostly sunny, with a high near 88. South wind 8 to 10 mph.
Wednesday Night
Partly cloudy, with a low around 68. Southwest wind 8 to 11 mph.
Thursday
Mostly sunny, with a high near 88. Southwest wind 9 to 11 mph.
Thursday Night
Partly cloudy, with a low around 70.
Friday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 85.
Saturday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 68.
Sunday
Partly sunny, with a high near 85.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 71.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Stony Brook NY
 40.92°N 73.15°W (Elev. 36 ft)
Last Update:
9:26 am EDT Jun 18, 2024
Forecast Valid:
9am EDT Jun 18, 2024-6pm EDT Jun 24, 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