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.

Light Snow and Breezy

20°F

-7°C

Humidity 62%
Wind Speed NW 22 G 38 mph
Barometer 29.56 in (1001.0 mb)
Dewpoint 9°F (-13°C)
Visibility 3.00 mi
Wind Chill4°F (-16°C)
Last update 7 Feb 7:56 am EST
Extended Forecast for

Bayport NY

Wind Advisory February 7, 09:00am until February 8, 12:00am
Extreme Cold Warning February 7, 01:00pm until February 8, 01:00pm
Click here for hazard details and duration
Wind Advisory
Extreme Cold Warning

  • Today

    Today: Snow likely, mainly before 10am. Cloudy, with a temperature falling to around 14 by 5pm. Wind chill values between -5 and 5. Windy, with a northwest wind 21 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.

    High: 23 °F⇓

    Snow Likely
    and Windy

  • Tonight

    Tonight: Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values between -5 and -10. Windy, with a northwest wind 27 to 32 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 47 mph.

    Low: 5 °F

    Decreasing
    Clouds and
    Windy

  • Sunday

    Sunday: Sunny and cold, with a high near 20. Wind chill values between -5 and -15. Blustery, with a northwest wind 17 to 21 mph.

    High: 20 °F

    Cold and
    Blustery

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 9. Wind chill values between -5 and zero. Northwest wind 9 to 16 mph, with gusts as high as 26 mph.

    Low: 9 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 27. Northwest wind 7 to 10 mph.

    High: 27 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 16.

    Low: 16 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Snow likely, mainly before 10am. Cloudy, with a temperature falling to around 14 by 5pm. Wind chill values between -5 and 5. Windy, with a northwest wind 21 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than one inch possible.
Tonight
Cloudy, then gradually becoming partly cloudy, with a low around 5. Wind chill values between -5 and -10. Windy, with a northwest wind 27 to 32 mph decreasing to 18 to 23 mph after midnight. Winds could gust as high as 47 mph.
Sunday
Sunny and cold, with a high near 20. Wind chill values between -5 and -15. Blustery, with a northwest wind 17 to 21 mph.
Sunday Night
Mostly clear, with a low around 9. Wind chill values between -5 and zero. Northwest wind 9 to 16 mph, with gusts as high as 26 mph.
Monday
Sunny, with a high near 27. Northwest wind 7 to 10 mph.
Monday Night
Partly cloudy, with a low around 16.
Tuesday
Partly sunny, with a high near 33.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
A 30 percent chance of snow before 1am. Mostly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 33.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bayport NY
 40.76°N 73.07°W (Elev. 30 ft)
Last Update:
6:26 am EST Feb 7, 2026
Forecast Valid:
8am EST Feb 7, 2026-6pm EST Feb 13, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation