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.

Mostly Cloudy

70°F

21°C

Humidity 93%
Wind Speed SW 12 mph
Barometer 29.59 in (1001.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 15 Jun 5:56 am EDT
Extended Forecast for

Bohemia NY

  • Today

    Today: Sunny, with a high near 81. West wind 9 to 15 mph becoming north in the morning.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 58. Northwest wind 6 to 9 mph.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77. Northwest wind 5 to 9 mph becoming southwest in the afternoon.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61. South wind 3 to 8 mph.

    Low: 61 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 2pm. Partly sunny, with a high near 76. Light south wind increasing to 5 to 9 mph in the morning.

    High: 76 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers after 2pm. Partly sunny, with a high near 83.

    High: 83 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    Showers

  • Juneteenth

    Juneteenth: A chance of showers between 8am and 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 81. West wind 9 to 15 mph becoming north in the morning.
Tonight
Mostly clear, with a low around 58. Northwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 77. Northwest wind 5 to 9 mph becoming southwest in the afternoon.
Tuesday Night
Partly cloudy, with a low around 61. South wind 3 to 8 mph.
Wednesday
A 20 percent chance of showers after 2pm. Partly sunny, with a high near 76. Light south wind increasing to 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 62.
Thursday
A 30 percent chance of showers after 2pm. Partly sunny, with a high near 83.
Thursday Night
A 40 percent chance of showers before 2am. Mostly cloudy, with a low around 68.
Juneteenth
A chance of showers between 8am and 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 65.
Saturday
Sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bohemia NY
 40.78°N 73.12°W (Elev. 72 ft)
Last Update:
5:30 am EDT Jun 15, 2026
Forecast Valid:
6am EDT Jun 15, 2026-6pm EDT Jun 21, 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