Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

54°F

12°C

Humidity 64%
Wind Speed Calm
Barometer 29.86 in (1011.0 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 8 Nov 6:56 pm EST
Extended Forecast for

East Setauket NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 48. Northwest wind around 6 mph becoming east after midnight.

    Low: 48 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain, mainly after 10am.  High near 60. Southeast wind 8 to 11 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain

  • Sunday Night

    Sunday Night: Rain or drizzle likely before 7pm, then drizzle or light rain likely between 7pm and 10pm, then showers likely after 10pm.  Patchy fog before 10pm.  Otherwise, cloudy, with a low around 51. East wind 6 to 8 mph becoming west after midnight.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Rain Likely
    and Patchy
    Fog

  • Monday

    Monday: A 50 percent chance of showers.  Mostly cloudy, with a temperature rising to near 55 by noon, then falling to around 50 during the remainder of the day. West wind 6 to 11 mph.

    High: 55 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 32. West wind around 14 mph.

    Low: 32 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 48. Northwest wind around 6 mph becoming east after midnight.
Sunday
Rain, mainly after 10am. High near 60. Southeast wind 8 to 11 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain or drizzle likely before 7pm, then drizzle or light rain likely between 7pm and 10pm, then showers likely after 10pm. Patchy fog before 10pm. Otherwise, cloudy, with a low around 51. East wind 6 to 8 mph becoming west after midnight. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 50 percent chance of showers. Mostly cloudy, with a temperature rising to near 55 by noon, then falling to around 50 during the remainder of the day. West wind 6 to 11 mph.
Monday Night
Partly cloudy, with a low around 32. West wind around 14 mph.
Veterans Day
Partly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 36.
Wednesday
Mostly cloudy, with a high near 52.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 38.
Friday
Mostly sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
East Setauket NY
 40.94°N 73.11°W (Elev. 52 ft)
5:22 pm EST Nov 8, 2025
7pm EST Nov 8, 2025-6pm EST Nov 15, 2025
 
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Additional Resources

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