National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

35°F

2°C

Humidity 76%
Wind Speed S 12 mph
Barometer 29.75 in (1007.5 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 25 Feb 5:56 am EST
Extended Forecast for

Patchogue NY

  • Today

    Today: Rain and snow before 1pm, then a slight chance of rain between 1pm and 4pm. High near 39. Wind chill values between 25 and 30. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.

    High: 39 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Tonight

    Tonight: Partly cloudy, with a low around 29. West wind 6 to 8 mph, with gusts as high as 20 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of snow after 1pm. Partly sunny, with a high near 37. Wind chill values between 25 and 35. West wind around 6 mph.

    High: 37 °F

    Mostly Sunny
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 20 percent chance of snow. Partly cloudy, with a low around 25. Calm wind.

    Low: 25 °F

    Slight Chance
    Snow

  • Friday

    Friday: Mostly sunny, with a high near 37. Calm wind becoming west around 6 mph.

    High: 37 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 38.

    High: 38 °F

    Partly Sunny

Detailed Forecast

Today
Rain and snow before 1pm, then a slight chance of rain between 1pm and 4pm. High near 39. Wind chill values between 25 and 30. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Total daytime snow accumulation of less than one inch possible.
Tonight
Partly cloudy, with a low around 29. West wind 6 to 8 mph, with gusts as high as 20 mph.
Thursday
A 30 percent chance of snow after 1pm. Partly sunny, with a high near 37. Wind chill values between 25 and 35. West wind around 6 mph.
Thursday Night
A 20 percent chance of snow. Partly cloudy, with a low around 25. Calm wind.
Friday
Mostly sunny, with a high near 37. Calm wind becoming west around 6 mph.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 19.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 29.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 19.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
Last Update:
1:23 am EST Feb 25, 2026
Forecast Valid:
6am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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