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.

Light Drizzle

66°F

19°C

Humidity 93%
Wind Speed E 13 G 21 mph
Barometer 30.04 in (1017.3 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 6 Jul 11:56 pm EDT
Extended Forecast for

Poquott NY

Flood Watch July 7, 12:01am until July 7, 06:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch July 7, 12:01am until July 7, 06:00am

    NOW until 6:00am Tue

    Flood Watch

  • Overnight

    Low: 69 °F

    Showers

  • Tuesday

    Tuesday: Showers likely, mainly before 11am. Mostly cloudy, with a high near 76. Northeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 76 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 65. North wind 11 to 14 mph.

    Low: 65 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 80. North wind 5 to 10 mph becoming light in the afternoon.

    High: 80 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 67. Southwest wind around 7 mph.

    Low: 67 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Cloudy

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
Showers and possibly a thunderstorm. Steady temperature around 69. Northeast wind around 18 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely, mainly before 11am. Mostly cloudy, with a high near 76. Northeast wind 14 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Mostly cloudy, with a low around 65. North wind 11 to 14 mph.
Wednesday
Mostly sunny, with a high near 80. North wind 5 to 10 mph becoming light in the afternoon.
Wednesday Night
Mostly clear, with a low around 67. Southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 84.
Thursday Night
Mostly cloudy, with a low around 71.
Friday
A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 71.
Saturday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 84.
Saturday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Poquott NY
 40.96°N 73.08°W (Elev. 3 ft)
Last Update:
2:35 pm EDT Jul 6, 2026
Forecast Valid:
12am EDT Jul 7, 2026-6pm EDT Jul 13, 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