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.

Overcast

38°F

3°C

Humidity 57%
Wind Speed W 13 G 25 mph
Barometer 29.67 in (1004.6 mb)
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 11 Nov 12:56 am EST
Extended Forecast for

Saint James NY

Freeze Warning November 11, 01:47am until November 11, 09:00am
Click here for hazard details and duration
Freeze Warning
  •  
    Freeze Warning November 11, 01:47am until November 11, 09:00am

    NOW until 9:00am Tue

    Freeze Warning

  • Overnight

    Low: 30 °F

    Mostly Clear

  • Veterans Day

    Veterans Day: A slight chance of rain and snow showers between 10am and 4pm. Increasing clouds, with a high near 43. Wind chill values between 20 and 30. Breezy, with a west wind 15 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.

    High: 43 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 34. Southwest wind 10 to 18 mph, with gusts as high as 29 mph.

    Low: 34 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Partly sunny, with a high near 50. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.

    High: 50 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 39. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 52.

    High: 52 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

Overnight
Mostly clear, with a low around 30. Wind chill values between 20 and 25. West wind 10 to 13 mph.
Veterans Day
A slight chance of rain and snow showers between 10am and 4pm. Increasing clouds, with a high near 43. Wind chill values between 20 and 30. Breezy, with a west wind 15 to 21 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.
Tuesday Night
Increasing clouds, with a low around 34. Southwest wind 10 to 18 mph, with gusts as high as 29 mph.
Wednesday
Partly sunny, with a high near 50. Southwest wind 10 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 39. West wind around 10 mph, with gusts as high as 20 mph.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 50.
Friday Night
Mostly clear, with a low around 31.
Saturday
Sunny, with a high near 47.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Sunday
A 40 percent chance of rain. Partly sunny, with a high near 54.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 41.
Monday
A 30 percent chance of rain. Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint James NY
 40.88°N 73.16°W (Elev. 148 ft)
Last Update:
12:59 am EST Nov 11, 2025
Forecast Valid:
1am EST Nov 11, 2025-6pm EST Nov 17, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation