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.

Fog/Mist

67°F

19°C

Humidity 97%
Wind Speed SW 13 mph
Barometer 29.70 in (1005.7 mb)
Dewpoint 66°F (19°C)
Visibility 2.50 mi
Last update 16 Oct 2:56 pm EDT
Extended Forecast for

East Patchogue NY

  • This Afternoon

    This Afternoon: A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 67. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    High: 67 °F

    Chance
    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 11pm, then showers likely between 11pm and 2am, then rain likely after 2am. Low around 50. Southwest wind 8 to 17 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 50 °F

    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Rain likely, mainly before 8am. Mostly cloudy, with a high near 53. Breezy, with a north wind 20 to 22 mph. Chance of precipitation is 60%.

    High: 53 °F

    Breezy. Rain
    Likely then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 39. North wind around 15 mph.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Northeast wind 9 to 13 mph, with gusts as high as 23 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 47. Breezy.

    Low: 47 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62. Breezy.

    High: 62 °F

    Mostly Cloudy
    and Breezy
    then Partly
    Sunny

Detailed Forecast

This Afternoon
A slight chance of showers, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 67. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Tonight
Showers and thunderstorms before 11pm, then showers likely between 11pm and 2am, then rain likely after 2am. Low around 50. Southwest wind 8 to 17 mph becoming northwest after midnight. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 53. Breezy, with a north wind 20 to 22 mph. Chance of precipitation is 60%.
Saturday Night
Mostly clear, with a low around 39. North wind around 15 mph.
Sunday
Sunny, with a high near 55. Northeast wind 9 to 13 mph, with gusts as high as 23 mph.
Sunday Night
Mostly clear, with a low around 44.
Monday
Partly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 47. Breezy.
Tuesday
Mostly cloudy, with a high near 62. Breezy.
Tuesday Night
Mostly cloudy, with a low around 50. Breezy.
Wednesday
Mostly sunny, with a high near 62. Breezy.
Wednesday Night
A 30 percent chance of showers. Partly cloudy, with a low around 49. Breezy.
Thursday
A 30 percent chance of showers. Mostly cloudy, with a high near 60. Breezy.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Mostly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Patchogue NY
 40.77°N 72.98°W (Elev. 23 ft)
Last Update:
2:39 pm EDT Oct 16, 2026
Forecast Valid:
3pm EDT Oct 16, 2026-6pm EDT Oct 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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