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.

Fair

34°F

1°C

Humidity 64%
Wind Speed E 6 mph
Barometer 30.22 in (1023.3 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 2 Dec 1:56 am EST
Extended Forecast for

East Patchogue NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 29. Southeast wind 3 to 6 mph.

    Low: 29 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 10am. High near 48. South wind 7 to 14 mph becoming north in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 48 °F

    Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 29. Wind chill values between 20 and 25. Northwest wind 13 to 15 mph, with gusts as high as 26 mph.

    Low: 29 °F

    Chance Rain
    then Partly
    Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 41. Wind chill values between 20 and 30. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.

    High: 41 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 30. West wind 5 to 9 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 18.

    Low: 18 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of light snow after 4am. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy
    then Chance
    Light Snow

Detailed Forecast

Overnight
Mostly cloudy, with a low around 29. Southeast wind 3 to 6 mph.
Tuesday
Rain, mainly after 10am. High near 48. South wind 7 to 14 mph becoming north in the afternoon. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Tuesday Night
A 40 percent chance of rain before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 29. Wind chill values between 20 and 25. Northwest wind 13 to 15 mph, with gusts as high as 26 mph.
Wednesday
Sunny, with a high near 41. Wind chill values between 20 and 30. Northwest wind 7 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 30. West wind 5 to 9 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 42.
Thursday Night
Mostly clear, with a low around 18.
Friday
Mostly sunny, with a high near 38.
Friday Night
A 30 percent chance of light snow after 4am. Mostly cloudy, with a low around 27.
Saturday
A chance of snow before 10am, then a chance of rain between 10am and 1pm. Partly sunny, with a high near 43. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly sunny, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Patchogue NY
 40.77°N 72.98°W (Elev. 23 ft)
Last Update:
1:30 am EST Dec 2, 2025
Forecast Valid:
2am EST Dec 2, 2025-6pm EST Dec 8, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation