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

50°F

10°C

Humidity 74%
Wind Speed SW 10 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 1 May 10:56 pm EDT
Extended Forecast for

Poquott NY

  • Tonight

    Tonight: A 30 percent chance of rain, mainly after 5am. Increasing clouds, with a low around 49. South wind 6 to 8 mph.

    Low: 49 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain before 11am. Cloudy, with a high near 57. Southwest wind 8 to 10 mph becoming northwest in the afternoon.

    High: 57 °F

    Chance Rain
    then Cloudy

  • Saturday Night

    Saturday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 45. Light northwest wind increasing to 5 to 10 mph in the evening.

    Low: 45 °F

    Chance Rain

  • Sunday

    Sunday: Mostly sunny, with a high near 58. West wind 14 to 16 mph.

    High: 58 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48. Southwest wind 7 to 13 mph.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 56. Breezy.

    Low: 56 °F

    Partly Cloudy
    and Breezy
    then Mostly
    Cloudy

Detailed Forecast

Tonight
A 30 percent chance of rain, mainly after 5am. Increasing clouds, with a low around 49. South wind 6 to 8 mph.
Saturday
A 30 percent chance of rain before 11am. Cloudy, with a high near 57. Southwest wind 8 to 10 mph becoming northwest in the afternoon.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 45. Light northwest wind increasing to 5 to 10 mph in the evening.
Sunday
Mostly sunny, with a high near 58. West wind 14 to 16 mph.
Sunday Night
Mostly clear, with a low around 48. Southwest wind 7 to 13 mph.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly cloudy, with a low around 56. Breezy.
Wednesday
A 50 percent chance of showers after 8am. Mostly cloudy, with a high near 62.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Thursday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 59.
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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:
10:18 pm EDT May 1, 2026
Forecast Valid:
11pm EDT May 1, 2026-6pm EDT May 8, 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