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.

Overcast

67°F

19°C

Humidity 91%
Wind Speed NE 6 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 2 Sep 2:56 am EDT
Extended Forecast for

Bohemia NY

  • Overnight

    Overnight: Cloudy, with a low around 64. Northeast wind around 7 mph.

    Low: 64 °F

    Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 75. East wind around 10 mph.

    High: 75 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 5am. Mostly cloudy, with a low around 65. East wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 65 °F

    Mostly Cloudy
    then Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 81. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 81 °F

    Showers
    Likely then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 64. Northeast wind around 7 mph.
Wednesday
Mostly cloudy, with a high near 75. East wind around 10 mph.
Wednesday Night
Showers likely, mainly after 5am. Mostly cloudy, with a low around 65. East wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers and thunderstorms likely, mainly before 2pm. Mostly cloudy, with a high near 81. Southwest wind 7 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Northwest wind 3 to 5 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 82.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 77.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 59.
Labor Day
Sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 77.
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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:
2:31 am EDT Sep 2, 2026
Forecast Valid:
3am EDT Sep 2, 2026-6pm EDT Sep 8, 2026
 
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