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

38°F

3°C

Humidity 79%
Wind Speed Calm
Barometer 30.27 in (1025.0 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 25 Nov 2:56 am EST
Extended Forecast for

East Patchogue NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 37. Light south wind.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm. Cloudy, with a high near 57. South wind 6 to 11 mph. Chance of precipitation is 60%.

    High: 57 °F

    Mostly Cloudy
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain, mainly before 4am. Steady temperature around 52. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 52 °F

    Rain

  • Wednesday

    Wednesday: Rain likely, mainly between 7am and 1pm. Cloudy, with a high near 59. Southwest wind 8 to 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 59 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West wind 8 to 14 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Slight Chance
    Rain

  • Thanksgiving Day

    Thanksgiving Day: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 37. Light south wind.
Tuesday
Rain likely, mainly after 4pm. Cloudy, with a high near 57. South wind 6 to 11 mph. Chance of precipitation is 60%.
Tuesday Night
Rain, mainly before 4am. Steady temperature around 52. South wind 8 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain likely, mainly between 7am and 1pm. Cloudy, with a high near 59. Southwest wind 8 to 11 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 20 percent chance of rain before 1am. Mostly cloudy, then gradually becoming mostly clear, with a low around 37. West wind 8 to 14 mph, with gusts as high as 24 mph.
Thanksgiving Day
Mostly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 44.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 43.
Saturday Night
Mostly cloudy, with a low around 32.
Sunday
Mostly cloudy, with a high near 49.
Sunday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 36.
Monday
A 30 percent chance of rain. Mostly cloudy, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
East Patchogue NY
 40.77°N 72.98°W (Elev. 23 ft)
Last Update:
1:21 am EST Nov 25, 2025
Forecast Valid:
3am EST Nov 25, 2025-6pm EST Dec 1, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation