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.

Mostly Cloudy

44°F

7°C

Humidity 65%
Wind Speed NW 15 mph
Barometer 29.74 in (1007.1 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 11 Jan 11:56 am EST
Extended Forecast for

Patchogue NY

  • This Afternoon

    This Afternoon: A chance of rain and snow showers after 4pm. Mostly sunny, with a temperature falling to around 40 by 5pm. West wind 10 to 14 mph. Chance of precipitation is 30%.

    High: 46 °F⇓

    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of rain and snow showers before 7pm, then a slight chance of snow showers between 7pm and 10pm. Mostly clear, with a low around 28. Wind chill values between 15 and 25. Breezy, with a west wind 17 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.

    Low: 28 °F

    Breezy.
    Chance
    Rain/Snow
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 40. Wind chill values between 15 and 25. West wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30. West wind 7 to 10 mph.

    Low: 30 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 44. Southwest wind 7 to 10 mph.

    High: 44 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a steady temperature around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 46.

    High: 46 °F

    Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Cloudy then
    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain. Partly sunny, with a high near 39.

    High: 39 °F

    Chance Rain

Detailed Forecast

This Afternoon
A chance of rain and snow showers after 4pm. Mostly sunny, with a temperature falling to around 40 by 5pm. West wind 10 to 14 mph. Chance of precipitation is 30%.
Tonight
A chance of rain and snow showers before 7pm, then a slight chance of snow showers between 7pm and 10pm. Mostly clear, with a low around 28. Wind chill values between 15 and 25. Breezy, with a west wind 17 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 30%.
Monday
Sunny, with a high near 40. Wind chill values between 15 and 25. West wind 10 to 15 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 30. West wind 7 to 10 mph.
Tuesday
Sunny, with a high near 44. Southwest wind 7 to 10 mph.
Tuesday Night
Mostly cloudy, with a steady temperature around 39.
Wednesday
Cloudy, with a high near 46.
Wednesday Night
A 30 percent chance of rain after 1am. Mostly cloudy, with a low around 30.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 39.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 33.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Mostly sunny, with a high near 38.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NY
 40.77°N 73.03°W (Elev. 23 ft)
Last Update:
1:40 am EST Jan 11, 2026
Forecast Valid:
12pm EST Jan 11, 2026-6pm EST Jan 17, 2026
 
Forecast Discussion
 
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Additional Resources

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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