Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

29°F

-2°C

Humidity 56%
Wind Speed NW 10 mph
Barometer 29.73 in (1006.8 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 24 Feb 12:56 am EST
Extended Forecast for

Patchogue NY

  • Overnight

    Overnight: Patchy blowing snow. Mostly cloudy, with a low around 20. Wind chill values between 10 and 15. Northwest wind around 14 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Patchy
    Blowing Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 30. Wind chill values between 5 and 15. Northwest wind 9 to 13 mph.

    High: 30 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A chance of snow showers between 1am and 4am, then a chance of snow after 4am.  Partly cloudy, with a temperature falling to near 19 by 10pm, then rising to around 30 during the remainder of the night. Wind chill values between 10 and 15. Light and variable wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 20 mph.  Chance of precipitation is 50%.

    Low: 19 °F

    Partly Cloudy
    then Chance
    Snow Showers

  • Wednesday

    Wednesday: Rain and snow likely, mainly before 1pm.  Cloudy, then gradually becoming mostly sunny, with a high near 40. Wind chill values between 25 and 35. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 28. Southwest wind around 8 mph, with gusts as high as 21 mph.

    Low: 28 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of rain and snow after 1pm.  Partly sunny, with a high near 37. Chance of precipitation is 50%.

    High: 37 °F

    Partly Sunny
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 1am.  Mostly cloudy, with a low around 27. Chance of precipitation is 70%.

    Low: 27 °F

    Snow Likely

  • Friday

    Friday: Mostly sunny, with a high near 38.

    High: 38 °F

    Mostly Sunny

  • Friday Night

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

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy blowing snow. Mostly cloudy, with a low around 20. Wind chill values between 10 and 15. Northwest wind around 14 mph, with gusts as high as 25 mph.
Tuesday
Mostly sunny, with a high near 30. Wind chill values between 5 and 15. Northwest wind 9 to 13 mph.
Tuesday Night
A chance of snow showers between 1am and 4am, then a chance of snow after 4am. Partly cloudy, with a temperature falling to near 19 by 10pm, then rising to around 30 during the remainder of the night. Wind chill values between 10 and 15. Light and variable wind becoming south 5 to 8 mph after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Wednesday
Rain and snow likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 40. Wind chill values between 25 and 35. Southwest wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Partly cloudy, with a low around 28. Southwest wind around 8 mph, with gusts as high as 21 mph.
Thursday
A chance of rain and snow after 1pm. Partly sunny, with a high near 37. Chance of precipitation is 50%.
Thursday Night
Snow likely, mainly before 1am. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.
Friday
Mostly sunny, with a high near 38.
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 28.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Mostly cloudy, with a low around 20.
Monday
A 40 percent chance of snow. Mostly cloudy, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
11:27 pm EST Feb 23, 2026
1am EST Feb 24, 2026-6pm EST Mar 2, 2026
 
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Additional Resources

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