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.

A Few Clouds

64°F

18°C

Humidity 81%
Wind Speed W 5 mph
Barometer 29.81 in (1009.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 12 Oct 6:56 pm EDT
Extended Forecast for

Poquott NY

  • Tonight

    Tonight: Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 61. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 61 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, partly sunny, with a high near 70. East wind 7 to 10 mph becoming south in the afternoon.

    High: 70 °F

    Patchy Fog
    then Partly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, then gradually becoming clear, with a low around 66. South wind 11 to 16 mph.

    Low: 66 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75. Southwest wind 10 to 13 mph.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 59. North wind 9 to 13 mph.

    Low: 59 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Thursday Night

    Thursday Night: A 50 percent chance of showers after 2am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers, mainly after 8am. High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

  • Friday Night

    Friday Night: Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. Windy. Chance of precipitation is 60%.

    Low: 48 °F

    Windy.
    Showers
    Likely then
    Chance
    Showers

Detailed Forecast

Tonight
Patchy fog before 2am, then patchy fog after 5am. Otherwise, mostly clear, with a low around 61. Northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Patchy fog before 8am. Otherwise, partly sunny, with a high near 70. East wind 7 to 10 mph becoming south in the afternoon.
Tuesday Night
Mostly cloudy, then gradually becoming clear, with a low around 66. South wind 11 to 16 mph.
Wednesday
Mostly sunny, with a high near 75. Southwest wind 10 to 13 mph.
Wednesday Night
Mostly cloudy, with a low around 59. North wind 9 to 13 mph.
Thursday
Sunny, with a high near 64.
Thursday Night
A 50 percent chance of showers after 2am. Partly cloudy, with a low around 55.
Friday
Showers, mainly after 8am. High near 68. Chance of precipitation is 80%.
Friday Night
Showers likely, mainly before 8pm. Mostly cloudy, with a low around 48. Windy. Chance of precipitation is 60%.
Saturday
Mostly sunny, with a high near 54. Windy.
Saturday Night
Mostly clear, with a low around 43. Breezy.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 48.
Monday
Mostly sunny, with a high near 62.
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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:
2:47 pm EDT Oct 12, 2026
Forecast Valid:
7pm EDT Oct 12, 2026-6pm EDT Oct 19, 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