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.

Partly Cloudy

47°F

8°C

Humidity 77%
Wind Speed SE 5 mph
Barometer 29.98 in (1015.3 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 11 Mar 3:56 am EDT
Extended Forecast for

Poquott NY

  • Today

    Today: A 30 percent chance of showers, mainly after 2pm. Areas of fog between 8am and noon. Otherwise, partly sunny, with a high near 63. Light and variable wind becoming south 8 to 13 mph in the morning.

    High: 63 °F

    Areas Fog
    then Chance
    Showers

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 5am. Areas of fog before 3am. Otherwise, mostly cloudy, with a low around 42. Breezy, with a south wind 18 to 21 mph.

    Low: 42 °F

    Chance
    Showers and
    Areas Fog

  • Thursday

    Thursday: Rain showers likely before 2pm, then a slight chance of rain and snow showers. Cloudy, with a temperature rising to near 53 by 8am, then falling to around 40 during the remainder of the day. Breezy, with a northwest wind 18 to 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 53 °F⇓

    Breezy.
    Showers
    Likely then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Wind chill values between 25 and 30. Northwest wind 13 to 17 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 45. Breezy, with a west wind 8 to 13 mph becoming south 16 to 21 mph in the afternoon.

    High: 45 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Windy.

    Low: 36 °F

    Decreasing
    Clouds and
    Windy

  • Saturday

    Saturday: Sunny, with a high near 45. Breezy.

    High: 45 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Cloudy, with a high near 47.

    High: 47 °F

    Cloudy

Detailed Forecast

Today
A 30 percent chance of showers, mainly after 2pm. Areas of fog between 8am and noon. Otherwise, partly sunny, with a high near 63. Light and variable wind becoming south 8 to 13 mph in the morning.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 5am. Areas of fog before 3am. Otherwise, mostly cloudy, with a low around 42. Breezy, with a south wind 18 to 21 mph.
Thursday
Rain showers likely before 2pm, then a slight chance of rain and snow showers. Cloudy, with a temperature rising to near 53 by 8am, then falling to around 40 during the remainder of the day. Breezy, with a northwest wind 18 to 21 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 31. Wind chill values between 25 and 30. Northwest wind 13 to 17 mph.
Friday
Increasing clouds, with a high near 45. Breezy, with a west wind 8 to 13 mph becoming south 16 to 21 mph in the afternoon.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Windy.
Saturday
Sunny, with a high near 45. Breezy.
Saturday Night
Mostly cloudy, with a low around 34.
Sunday
Cloudy, with a high near 47.
Sunday Night
Rain, mainly after 2am. Low around 43. Breezy. Chance of precipitation is 80%.
Monday
Rain. High near 52. Windy. Chance of precipitation is 90%.
Monday Night
Rain likely. Mostly cloudy, with a low around 31. Breezy. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 38.
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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:
3:05 am EDT Mar 11, 2026
Forecast Valid:
4am EDT Mar 11, 2026-6pm EDT Mar 17, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation