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

63°F

17°C

Humidity 93%
Wind Speed NE 14 G 24 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 21 Aug 2:56 am EDT
Extended Forecast for

Patchogue NY

High Surf Advisory August 21, 03:28am until August 22, 08:00pm
Coastal Flood Advisory August 22, 05:00am until August 22, 01:00pm
Coastal Flood Advisory August 22, 06:00pm until August 23, 02:00am
Coastal Flood Warning August 21, 05:00pm until August 22, 01:00am
Click here for hazard details and duration
High Surf Advisory
Coastal Flood Advisory
Coastal Flood Advisory
Coastal Flood Warning
  •  
    High Surf Advisory August 21, 03:28am until August 22, 08:00pm

    NOW until 8:00pm Fri

    High Surf Advisory

  • Overnight

    Low: 62 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 73. Breezy, with a northeast wind 18 to 20 mph, with gusts as high as 32 mph.

    High: 73 °F

    Breezy.
    Chance
    Showers then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Breezy, with a northeast wind 16 to 20 mph, with gusts as high as 32 mph.

    Low: 59 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 81. North wind 9 to 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65. South wind 3 to 5 mph.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Overnight
Showers likely, mainly before 5am. Cloudy, with a low around 62. Northeast wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of showers, mainly before 8am. Cloudy, with a high near 73. Breezy, with a northeast wind 18 to 20 mph, with gusts as high as 32 mph.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 59. Breezy, with a northeast wind 16 to 20 mph, with gusts as high as 32 mph.
Friday
Sunny, with a high near 81. North wind 9 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly clear, with a low around 65. South wind 3 to 5 mph.
Saturday
Sunny, with a high near 82.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 67.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 79.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Tuesday
Sunny, with a high near 79.
Tuesday Night
Mostly clear, with a low around 61.
Wednesday
Sunny, with a high near 77.
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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:
1:51 am EDT Aug 21, 2025
Forecast Valid:
3am EDT Aug 21, 2025-6pm EDT Aug 27, 2025
 
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