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.

Overcast

59°F

15°C

Humidity 72%
Wind Speed E 8 mph
Barometer 30.08 in (1018.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 18 Apr 12:56 pm EDT
Extended Forecast for

East Patchogue NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 56. East wind around 9 mph.

    High: 56 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 46. Southeast wind around 5 mph becoming calm in the evening.

    Low: 46 °F

    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 57. South wind 6 to 14 mph becoming northwest in the morning. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers

  • Sunday Night

    Sunday Night: Cloudy during the early evening, then gradual clearing, with a low around 38. Northwest wind around 6 mph.

    Low: 38 °F

    Gradual
    Clearing

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 51. West wind 6 to 10 mph.

    High: 51 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 40.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 56. East wind around 9 mph.
Tonight
A 30 percent chance of showers, mainly after 5am. Patchy fog. Otherwise, cloudy, with a low around 46. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Showers before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then showers after 2pm. High near 57. South wind 6 to 14 mph becoming northwest in the morning. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Cloudy during the early evening, then gradual clearing, with a low around 38. Northwest wind around 6 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 51. West wind 6 to 10 mph.
Monday Night
Mostly clear, with a low around 34.
Tuesday
Sunny, with a high near 49.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Partly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
Last Update:
8:37 am EDT Apr 18, 2026
Forecast Valid:
1pm EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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