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.

Light Drizzle Fog/Mist

41°F

5°C

Humidity 96%
Wind Speed S 5 mph
Barometer 29.80 in (1009.3 mb)
Dewpoint 40°F (4°C)
Visibility 0.75 mi
Wind Chill38°F (3°C)
Last update 28 Dec 11:56 pm EST
Extended Forecast for

Bohemia NY

  • Overnight

    Overnight: Rain likely, mainly between 2am and 4am. Areas of fog before 4am. Otherwise, cloudy, with a temperature rising to around 43 by 4am. South wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 39 °F⇑

    Rain Likely
    and Areas Fog

  • Monday

    Monday: Rain, mainly between 10am and 4pm. High near 51. Southwest wind 10 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 25. Wind chill values between 15 and 20. West wind around 17 mph, with gusts as high as 40 mph.

    Low: 25 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 33. Wind chill values between 15 and 20. West wind 15 to 18 mph, with gusts as high as 36 mph.

    High: 33 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. West wind 9 to 16 mph, with gusts as high as 28 mph.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

  • New Year's Day

    New Year's Day: Partly sunny, with a high near 30.

    High: 30 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Rain likely, mainly between 2am and 4am. Areas of fog before 4am. Otherwise, cloudy, with a temperature rising to around 43 by 4am. South wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Monday
Rain, mainly between 10am and 4pm. High near 51. Southwest wind 10 to 17 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Partly cloudy, with a low around 25. Wind chill values between 15 and 20. West wind around 17 mph, with gusts as high as 40 mph.
Tuesday
Partly sunny, with a high near 33. Wind chill values between 15 and 20. West wind 15 to 18 mph, with gusts as high as 36 mph.
Tuesday Night
Mostly cloudy, with a low around 24. West wind 9 to 16 mph, with gusts as high as 28 mph.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 21.
New Year's Day
Partly sunny, with a high near 30.
Thursday Night
Mostly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 32.
Friday Night
Partly cloudy, with a low around 22.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Sunday
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bohemia NY
 40.76°N 73.12°W (Elev. 49 ft)
Last Update:
12:02 am EST Dec 29, 2025
Forecast Valid:
12am EST Dec 29, 2025-6pm EST Jan 4, 2026
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation