Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

64°F

18°C

Humidity 54%
Wind Speed N 13 mph
Barometer 29.89 in (1011.9 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 22 Aug 12:56 am EDT
Extended Forecast for

East Setauket NY

  • Overnight

    Overnight: Mostly clear, with a low around 60. North wind 15 to 17 mph.

    Low: 60 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 83. North wind 6 to 13 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 66. Southwest wind 3 to 6 mph.

    Low: 66 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Southwest wind 6 to 9 mph.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 68. South wind 7 to 10 mph.

    Low: 68 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 40 percent chance of showers after 8pm.  Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    Showers

  • Monday

    Monday: Showers likely, mainly before 2pm.  Partly sunny, with a high near 83. Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers before 8pm.  Partly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    Showers then
    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 60. North wind 15 to 17 mph.
Friday
Sunny, with a high near 83. North wind 6 to 13 mph.
Friday Night
Mostly clear, with a low around 66. Southwest wind 3 to 6 mph.
Saturday
Sunny, with a high near 85. Southwest wind 6 to 9 mph.
Saturday Night
Mostly clear, with a low around 68. South wind 7 to 10 mph.
Sunday
Mostly sunny, with a high near 83.
Sunday Night
A 40 percent chance of showers after 8pm. Mostly cloudy, with a low around 68.
Monday
Showers likely, mainly before 2pm. Partly sunny, with a high near 83. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 64.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
East Setauket NY
 40.94°N 73.11°W (Elev. 52 ft)
9:51 pm EDT Aug 21, 2025
1am EDT Aug 22, 2025-6pm EDT Aug 28, 2025
 
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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