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.

Partly Cloudy

59°F

15°C

Humidity 69%
Wind Speed Calm
Barometer 30.29 in (1025.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 20 Sep 9:56 pm EDT
Extended Forecast for

Bohemia NY

  • Tonight

    Tonight: Partly cloudy, with a low around 53. East wind around 6 mph.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69. East wind 8 to 13 mph.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 53. Southeast wind 5 to 7 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 73. Light and variable wind becoming southeast around 6 mph in the morning.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 61. South wind 3 to 5 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 59.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 53. East wind around 6 mph.
Sunday
Partly sunny, with a high near 69. East wind 8 to 13 mph.
Sunday Night
Partly cloudy, with a low around 53. Southeast wind 5 to 7 mph becoming calm in the evening.
Monday
Sunny, with a high near 73. Light and variable wind becoming southeast around 6 mph in the morning.
Monday Night
Partly cloudy, with a low around 61. South wind 3 to 5 mph.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 78.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 63.
Wednesday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 77.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 59.
Thursday
Partly sunny, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 58.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 73.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 60.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bohemia NY
 40.78°N 73.12°W (Elev. 72 ft)
Last Update:
8:12 pm EDT Sep 20, 2025
Forecast Valid:
11pm EDT Sep 20, 2025-6pm EDT Sep 27, 2025
 
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