Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

44°F

7°C

Humidity 93%
Wind Speed SW 9 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 7 Mar 1:56 pm EST
Extended Forecast for

Patchogue NY

Dense Fog Advisory March 7, 10:00pm until March 8, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  • This Afternoon

    This Afternoon: Patchy fog.  Otherwise, cloudy, with a high near 43. South wind around 8 mph.

    High: 43 °F

    Patchy Fog

  • Tonight

    Tonight: Patchy drizzle before 10pm, then areas of drizzle with a chance of showers between 10pm and 4am, then showers likely with areas of drizzle after 4am. The drizzle could be heavy at times.  Areas of dense fog.  Otherwise, cloudy, with a low around 41. Southwest wind 8 to 11 mph.  Chance of precipitation is 70%.

    Low: 41 °F

    Showers
    Likely and
    Areas Dense
    Fog

  • Sunday

    Sunday: Showers likely, mainly before 1pm.  Patchy fog before 10am.  Otherwise, cloudy, with a high near 56. Southwest wind 8 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely and
    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. West wind around 5 mph becoming calm  after midnight.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 53. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 53 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, with a high near 53.

    High: 53 °F

    Cloudy

Detailed Forecast

This Afternoon
Patchy fog. Otherwise, cloudy, with a high near 43. South wind around 8 mph.
Tonight
Patchy drizzle before 10pm, then areas of drizzle with a chance of showers between 10pm and 4am, then showers likely with areas of drizzle after 4am. The drizzle could be heavy at times. Areas of dense fog. Otherwise, cloudy, with a low around 41. Southwest wind 8 to 11 mph. Chance of precipitation is 70%.
Sunday
Showers likely, mainly before 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 56. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Sunday Night
Mostly clear, with a low around 38. West wind around 5 mph becoming calm after midnight.
Monday
Sunny, with a high near 53. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Partly sunny, with a high near 55.
Tuesday Night
Mostly cloudy, with a low around 41.
Wednesday
Cloudy, with a high near 53.
Wednesday Night
A 30 percent chance of showers after 1am. Cloudy, with a low around 43.
Thursday
Showers likely. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Thursday Night
A chance of rain and snow showers. Partly cloudy, with a low around 29. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 43.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
1:48 pm EST Mar 7, 2026
2pm EST Mar 7, 2026-6pm EDT Mar 13, 2026
 
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Additional Resources

Radar & Satellite Image

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