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.

Overcast

35°F

2°C

Humidity 93%
Wind Speed NE 6 mph
Barometer 30.40 in (1029.6 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 6 Mar 10:56 pm EST
Extended Forecast for

Patchogue NY

  • Tonight

    Tonight: A slight chance of drizzle after 4am. Cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Slight Chance
    Drizzle

  • Saturday

    Saturday: Cloudy, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 49 °F

    Cloudy

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Areas of dense fog after 1am. Otherwise, cloudy, with a low around 44. Southwest wind 6 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.

    Low: 44 °F

    Chance
    Showers and
    Areas Dense
    Fog

  • Sunday

    Sunday: A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 57. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.

    High: 57 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. Light west wind.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 57.

    High: 57 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Tonight
A slight chance of drizzle after 4am. Cloudy, with a low around 33. Calm wind.
Saturday
Cloudy, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon.
Saturday Night
A chance of showers and thunderstorms. Areas of dense fog after 1am. Otherwise, cloudy, with a low around 44. Southwest wind 6 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 57. Southwest wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 38. Light west wind.
Monday
Sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 57.
Tuesday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 41.
Wednesday
A 50 percent chance of rain. Cloudy, with a high near 53.
Wednesday Night
Rain likely. Cloudy, with a low around 37. Chance of precipitation is 60%.
Thursday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 29.
Friday
Mostly cloudy, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NY
 40.77°N 73.03°W (Elev. 23 ft)
Last Update:
12:51 pm EST Mar 6, 2026
Forecast Valid:
11pm EST Mar 6, 2026-6pm EDT Mar 13, 2026
 
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