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

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

65°F

18°C

Humidity 84%
Wind Speed SW 12 mph
Barometer 30.03 in (1016.9 mb)
Dewpoint 60°F (16°C)
Visibility 10.00 mi
Last update 31 Oct 6:56 pm EDT
Extended Forecast for

Port Jefferson Station NY

Red Flag Warning November 1, 08:00am until November 1, 07:00pm
Click here for hazard details and duration
Red Flag Warning

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 61 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers, mainly before 11am. Mostly cloudy, then gradual clearing during the afternoon, with a high near 77. Southwest wind 13 to 15 mph, with gusts as high as 26 mph.

    High: 77 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 47. Northwest wind 9 to 13 mph.

    Low: 47 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 59. Northwest wind 8 to 10 mph.

    High: 59 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 38. North wind around 8 mph.

    Low: 38 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 60.

    High: 60 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers. Cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 61. Southwest wind around 10 mph, with gusts as high as 20 mph.
Friday
A 30 percent chance of showers, mainly before 11am. Mostly cloudy, then gradual clearing during the afternoon, with a high near 77. Southwest wind 13 to 15 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 47. Northwest wind 9 to 13 mph.
Saturday
Sunny, with a high near 59. Northwest wind 8 to 10 mph.
Saturday Night
Mostly clear, with a low around 38. North wind around 8 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 60.
Monday Night
A 30 percent chance of showers. Cloudy, with a low around 52.
Tuesday
Mostly cloudy, with a high near 68.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 71.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 62.
Click Map For Forecast
Disclaimer
Map Legend

ABOUT THIS FORECAST

 
Point Forecast:
Port Jefferson Station NY
 40.93°N 73.06°W (Elev. 161 ft)
Last Update:
7:52 pm EDT Oct 31, 2024
Forecast Valid:
7pm EDT Oct 31, 2024-6pm EST Nov 7, 2024
 
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