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.

Light Snow Fog

32°F

0°C

Humidity 96%
Wind Speed SW 10 mph
Barometer 29.72 in (1006.6 mb)
Dewpoint 31°F (-1°C)
Visibility 0.50 mi
Wind Chill24°F (-4°C)
Last update 25 Feb 9:56 am EST
Extended Forecast for

Patchogue NY

  • Today

    Today: A chance of rain and snow, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 39. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 39 °F

    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
A chance of rain and snow, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 39. Southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
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.
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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:
9:51 am EST Feb 25, 2026
Forecast Valid:
10am EST Feb 25, 2026-6pm EST Mar 3, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation