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

37°F

3°C

Humidity 89%
Wind Speed Calm
Barometer 30.22 in (1023.3 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 5 Mar 5:56 am EST
Extended Forecast for

Patchogue NY

  • Today

    Today: Rain. Patchy fog. High near 39. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 39 °F

    Rain and
    Patchy Fog

  • Tonight

    Tonight: Rain, mainly before 4am. Patchy fog. Low around 34. East wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 34 °F

    Rain and
    Patchy Fog

  • Friday

    Friday: A 30 percent chance of rain, mainly before 7am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 42. Northeast wind 8 to 11 mph, with gusts as high as 24 mph.

    High: 42 °F

    Chance Rain
    and Patchy
    Fog

  • Friday Night

    Friday Night: A 20 percent chance of rain after 1am. Cloudy, with a low around 34. Northeast wind around 6 mph becoming calm in the evening.

    Low: 34 °F

    Cloudy then
    Slight Chance
    Rain

  • Saturday

    Saturday: Cloudy, with a high near 49. Calm wind becoming south 5 to 8 mph in the afternoon.

    High: 49 °F

    Cloudy

  • Saturday Night

    Saturday Night: Showers likely, mainly after 1am. Cloudy, with a low around 41. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Rain. Patchy fog. High near 39. Calm wind becoming northeast 5 to 7 mph in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain, mainly before 4am. Patchy fog. Low around 34. East wind 7 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
A 30 percent chance of rain, mainly before 7am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 42. Northeast wind 8 to 11 mph, with gusts as high as 24 mph.
Friday Night
A 20 percent chance of rain after 1am. Cloudy, with a low around 34. Northeast wind around 6 mph becoming calm in the evening.
Saturday
Cloudy, with a high near 49. Calm wind becoming south 5 to 8 mph in the afternoon.
Saturday Night
Showers likely, mainly after 1am. Cloudy, with a low around 41. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A 30 percent chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 54.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
A 30 percent chance of rain. Cloudy, with a high near 52.
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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:
6:25 am EST Mar 5, 2026
Forecast Valid:
7am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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