Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

65°F

18°C

Humidity 70%
Wind Speed Calm
Barometer 29.90 in (1012.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 6 Sep 4:56 am EDT
Extended Forecast for

Patchogue NY

  • Overnight

    Overnight: A 20 percent chance of showers.  Mostly cloudy, with a low around 60. Light northeast wind.

    Low: 60 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers.  Mostly sunny, with a high near 71. Northeast wind 5 to 8 mph.

    High: 71 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 57. Light northwest wind.

    Low: 57 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 76. Northwest wind 6 to 8 mph.

    High: 76 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 60. Light northwest wind.

    Low: 60 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am.  Partly cloudy, with a low around 71. Breezy.

    Low: 71 °F

    Breezy.
    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 60. Light northeast wind.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 71. Northeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 57. Light northwest wind.
Labor Day
Sunny, with a high near 76. Northwest wind 6 to 8 mph.
Monday Night
Partly cloudy, with a low around 60. Light northwest wind.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 64.
Wednesday
Mostly sunny, with a high near 77.
Wednesday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 71. Breezy.
Thursday
A 30 percent chance of showers before 8am. Partly sunny, with a high near 81.
Thursday Night
Mostly cloudy, with a low around 64.
Friday
Mostly sunny, with a high near 74.
Friday Night
Mostly clear, with a low around 61.
Saturday
Sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
2:35 am EDT Sep 6, 2026
5am EDT Sep 6, 2026-6pm EDT Sep 12, 2026
 
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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