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

39°F

4°C

Humidity 86%
Wind Speed NE 7 mph
Barometer 29.79 in (1008.8 mb)
Dewpoint 35°F (2°C)
Visibility 7.00 mi
Wind Chill34°F (1°C)
Last update 6 Jan 7:56 pm EST
Extended Forecast for

Patchogue NY

  • Tonight

    Tonight: A 40 percent chance of rain, mainly before 4am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Chance Rain
    and Patchy
    Fog

  • Wednesday

    Wednesday: Areas of fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 46. West wind 5 to 13 mph, with gusts as high as 25 mph.

    High: 46 °F

    Areas Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 31. Northwest wind 5 to 7 mph.

    Low: 31 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Northwest wind 3 to 6 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 34. Calm wind.

    Low: 34 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Rain Likely

  • Friday Night

    Friday Night: A 50 percent chance of rain. Cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Saturday

    Saturday: Rain. High near 49. Chance of precipitation is 80%.

    High: 49 °F

    Rain

  • Saturday Night

    Saturday Night: Rain, mainly before 1am. Low around 36. Chance of precipitation is 80%.

    Low: 36 °F

    Rain

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly before 4am. Patchy fog after 10pm. Otherwise, cloudy, with a low around 36. Calm wind.
Wednesday
Areas of fog before 7am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 46. West wind 5 to 13 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly clear, with a low around 31. Northwest wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 44. Northwest wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 34. Calm wind.
Friday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 50. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
A 50 percent chance of rain. Cloudy, with a low around 40.
Saturday
Rain. High near 49. Chance of precipitation is 80%.
Saturday Night
Rain, mainly before 1am. Low around 36. Chance of precipitation is 80%.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 46.
Sunday Night
Partly cloudy, with a low around 29.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 43.
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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:
1:40 pm EST Jan 6, 2026
Forecast Valid:
8pm EST Jan 6, 2026-6pm EST Jan 13, 2026
 
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Additional Resources

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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