Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

59°F

15°C

Humidity 69%
Wind Speed N 9 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 18 May 6:56 am EDT
Extended Forecast for

Stony Brook NY

  • Today

    Today: A 20 percent chance of showers after 2pm.  Mostly cloudy, with a high near 65. Northeast wind 7 to 9 mph.

    High: 65 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers before 2am.  Mostly cloudy, with a low around 54. Northeast wind around 6 mph.

    Low: 54 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Mostly cloudy, with a high near 66. Northeast wind around 9 mph.

    High: 66 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. East wind 6 to 8 mph.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71. Northeast wind around 7 mph.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

Today
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 65. Northeast wind 7 to 9 mph.
Tonight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 54. Northeast wind around 6 mph.
Sunday
Mostly cloudy, with a high near 66. Northeast wind around 9 mph.
Sunday Night
Partly cloudy, with a low around 54. East wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 71. Northeast wind around 7 mph.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 58.
Friday
Mostly sunny, with a high near 74.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Stony Brook NY
 40.92°N 73.15°W (Elev. 36 ft)
6:00 am EDT May 18, 2024
7am EDT May 18, 2024-6pm EDT May 24, 2024
 
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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