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.

Rain Fog/Mist

47°F

8°C

Humidity 93%
Wind Speed SW 6 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 45°F (7°C)
Visibility 2.00 mi
Wind Chill44°F (7°C)
Last update 30 Nov 1:56 pm EST
Extended Forecast for

Patchogue NY

  • This Afternoon

    This Afternoon: Rain. High near 50. South wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 50 °F

    Rain

  • Tonight

    Tonight: A 50 percent chance of rain before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 36. West wind 11 to 15 mph, with gusts as high as 26 mph.

    Low: 36 °F

    Chance Rain
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 42. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.

    High: 42 °F

    Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 29. North wind around 5 mph becoming calm in the evening.

    Low: 29 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Rain. High near 48. Southeast wind 6 to 11 mph becoming northeast in the afternoon. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 48 °F

    Rain

  • Tuesday Night

    Tuesday Night: A 40 percent chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 29.

    Low: 29 °F

    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain. High near 50. South wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
A 50 percent chance of rain before 10pm. Cloudy during the early evening, then gradual clearing, with a low around 36. West wind 11 to 15 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 42. Northwest wind 8 to 14 mph, with gusts as high as 25 mph.
Monday Night
Increasing clouds, with a low around 29. North wind around 5 mph becoming calm in the evening.
Tuesday
Rain. High near 48. Southeast wind 6 to 11 mph becoming northeast in the afternoon. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tuesday Night
A 40 percent chance of rain before 1am. Cloudy during the early evening, then gradual clearing, with a low around 29.
Wednesday
Sunny, with a high near 40.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 43.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 38.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 26.
Saturday
A 40 percent chance of rain. 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°W (Elev. 43 ft)
Last Update:
2:29 pm EST Nov 30, 2025
Forecast Valid:
2pm EST Nov 30, 2025-6pm EST Dec 6, 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