National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

76°F

24°C

Humidity 77%
Wind Speed Vrbl 7 mph
Barometer 30.12 in (1020.0 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 17 Sep 4:56 pm EDT
Extended Forecast for

Poquott NY

  • Tonight

    Tonight: A chance of showers between 10pm and 2am. Cloudy, then becoming partly cloudy toward daybreak, with a low around 67. South wind 9 to 13 mph. Chance of precipitation is 40%.

    Low: 67 °F

    Chance
    Showers

  • Friday

    Friday: Sunny, with a high near 78. North wind 8 to 11 mph.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 56. North wind 11 to 17 mph.

    Low: 56 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68. Northeast wind 6 to 15 mph.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. Southeast wind around 8 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 61. Chance of precipitation is 80%.

    Low: 61 °F

    Showers

  • Monday

    Monday: A 40 percent chance of showers. Mostly cloudy, with a high near 68.

    High: 68 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers between 10pm and 2am. Cloudy, then becoming partly cloudy toward daybreak, with a low around 67. South wind 9 to 13 mph. Chance of precipitation is 40%.
Friday
Sunny, with a high near 78. North wind 8 to 11 mph.
Friday Night
Partly cloudy, with a low around 56. North wind 11 to 17 mph.
Saturday
Mostly sunny, with a high near 68. Northeast wind 6 to 15 mph.
Saturday Night
Mostly cloudy, with a low around 57. Southeast wind around 8 mph.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 70. Chance of precipitation is 60%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Showers, mainly before 2am. Low around 61. Chance of precipitation is 80%.
Monday
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Tuesday
A 30 percent chance of showers. Mostly cloudy, with a high near 63. Breezy.
Tuesday Night
Mostly cloudy, with a low around 56. Breezy.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 63. Breezy.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56. Breezy.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 64. Breezy.
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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:
2:41 pm EDT Sep 17, 2026
Forecast Valid:
5pm EDT Sep 17, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation