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.

28°F

-2°C

Humidity 66%
Wind Speed W 10 mph
Barometer 29.79 in (1008.8 mb)
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 24 Feb 4:56 am EST
Extended Forecast for

Patchogue NY

  • Today

    Today: Patchy blowing snow before 7am. Mostly sunny, with a high near 29. Wind chill values between 10 and 20. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.

    High: 29 °F

    Patchy
    Blowing Snow
    then Partly
    Sunny

  • Tonight

    Tonight: Snow likely after 4am. Increasing clouds, with a temperature falling to near 19 by 9pm, then rising to around 31 during the remainder of the night. Wind chill values between 10 and 15. Light and variable wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 19 °F⇑

    Partly Cloudy
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow, possibly mixing with rain after 10am, then gradually ending. High near 39. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 29. West wind around 7 mph.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: A slight chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 37. Southwest wind around 6 mph. Chance of precipitation is 50%.

    High: 37 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 27 °F

    Snow Likely

  • Friday

    Friday: Mostly sunny, with a high near 36.

    High: 36 °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 41.

    High: 41 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy blowing snow before 7am. Mostly sunny, with a high near 29. Wind chill values between 10 and 20. Northwest wind 9 to 11 mph, with gusts as high as 21 mph.
Tonight
Snow likely after 4am. Increasing clouds, with a temperature falling to near 19 by 9pm, then rising to around 31 during the remainder of the night. Wind chill values between 10 and 15. Light and variable wind becoming south 5 to 7 mph after midnight. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday
Snow, possibly mixing with rain after 10am, then gradually ending. High near 39. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 29. West wind around 7 mph.
Thursday
A slight chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 37. Southwest wind around 6 mph. Chance of precipitation is 50%.
Thursday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Mostly sunny, with a high near 36.
Friday Night
Mostly clear, with a low around 27.
Saturday
Mostly sunny, with a high near 41.
Saturday Night
Partly cloudy, with a low around 29.
Sunday
Partly sunny, with a high near 38.
Sunday Night
Partly cloudy, with a low around 17.
Monday
A 30 percent chance of snow. Mostly sunny, with a high near 29.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
Last Update:
5:37 am EST Feb 24, 2026
Forecast Valid:
5am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation