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

41°F

5°C

Humidity 70%
Wind Speed SW 12 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 25 Dec 7:56 am EST
Extended Forecast for

Bohemia NY

Winter Storm Watch December 26, 04:00pm until December 27, 01:00pm
Click here for hazard details and duration
Winter Storm Watch

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 45. Southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 19. Wind chill values between 10 and 15. North wind 8 to 10 mph, with gusts as high as 25 mph.

    Low: 19 °F

    Mostly Clear

  • Friday

    Friday: A 30 percent chance of snow after 1pm. Increasing clouds, with a high near 31. Wind chill values between 10 and 20. North wind 5 to 9 mph, with gusts as high as 20 mph.

    High: 31 °F

    Mostly Sunny
    then Chance
    Snow

  • Friday Night

    Friday Night: Snow. The snow could be heavy at times. Low around 23. Calm wind becoming east 5 to 7 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

    Low: 23 °F

    Heavy Snow

  • Saturday

    Saturday: A 50 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 33. Northeast wind 7 to 10 mph.

    High: 33 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 39.

    High: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday Night

    Sunday Night: Rain. Low around 30. Chance of precipitation is 80%.

    Low: 30 °F

    Rain

  • Monday

    Monday: Rain, mainly before 1pm. High near 48. Chance of precipitation is 80%.

    High: 48 °F

    Rain

Detailed Forecast

Christmas Day
Partly sunny, with a high near 45. Southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 22 mph.
Tonight
Mostly clear, with a low around 19. Wind chill values between 10 and 15. North wind 8 to 10 mph, with gusts as high as 25 mph.
Friday
A 30 percent chance of snow after 1pm. Increasing clouds, with a high near 31. Wind chill values between 10 and 20. North wind 5 to 9 mph, with gusts as high as 20 mph.
Friday Night
Snow. The snow could be heavy at times. Low around 23. Calm wind becoming east 5 to 7 mph after midnight. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.
Saturday
A 50 percent chance of snow, mainly before 1pm. Mostly cloudy, with a high near 33. Northeast wind 7 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 22.
Sunday
A 30 percent chance of rain after 1pm. Mostly cloudy, with a high near 39.
Sunday Night
Rain. Low around 30. Chance of precipitation is 80%.
Monday
Rain, mainly before 1pm. High near 48. Chance of precipitation is 80%.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 23.
Wednesday
Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bohemia NY
 40.76°N 73.12°W (Elev. 49 ft)
Last Update:
1:36 am EST Dec 25, 2025
Forecast Valid:
8am EST Dec 25, 2025-6pm EST Dec 31, 2025
 
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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