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.

Overcast

66°F

19°C

Humidity 90%
Wind Speed S 16 G 28 mph
Barometer 29.90 in (1012.4 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 5 Nov 5:56 pm EST
Extended Forecast for

Poquott NY

  • Tonight

    Tonight: Rain, with thunderstorms also possible after 4am. Low around 63. South wind 9 to 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before 4pm, then rain likely. High near 66. South wind 3 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 66 °F

    Rain

  • Friday Night

    Friday Night: Rain likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 58. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Rain Likely

  • Saturday

    Saturday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 63. North wind around 8 mph.

    High: 63 °F

    Mostly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 52. Breezy, with a northwest wind 18 to 24 mph.

    Low: 52 °F

    Chance
    Showers and
    Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 61. Breezy.

    High: 61 °F

    Mostly Sunny
    and Breezy
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain, with thunderstorms also possible after 4am. Low around 63. South wind 9 to 18 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Rain and possibly a thunderstorm before 4pm, then rain likely. High near 66. South wind 3 to 6 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Rain likely, mainly before 10pm. Cloudy, then gradually becoming partly cloudy, with a low around 58. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 63. North wind around 8 mph.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 52. Breezy, with a northwest wind 18 to 24 mph.
Sunday
Mostly sunny, with a high near 61. Breezy.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 59.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 62.
Tuesday Night
Mostly clear, with a low around 48.
Veterans Day
Sunny, with a high near 58.
Wednesday Night
Partly cloudy, with a low around 44.
Thursday
Sunny, with a high near 55.
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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:
1:31 pm EST Nov 5, 2026
Forecast Valid:
6pm EST Nov 5, 2026-6pm EST Nov 12, 2026
 
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