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

69°F

21°C

Humidity 96%
Wind Speed SW 3 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 30 Jul 9:56 pm EDT
Extended Forecast for

Bohemia NY

  • Tonight

    Tonight: A 20 percent chance of showers before 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 66. Light northwest wind.

    Low: 66 °F

    Slight Chance
    Showers then
    Patchy Fog

  • Friday

    Friday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 82. Northwest wind 5 to 9 mph becoming southwest in the afternoon.

    High: 82 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 67. Southwest wind 3 to 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 83. Light southwest wind becoming south 5 to 10 mph in the afternoon.

    High: 83 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 69. South wind 6 to 8 mph.

    Low: 69 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 82.

    High: 82 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.

    High: 82 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before 11pm. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 66. Light northwest wind.
Friday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 82. Northwest wind 5 to 9 mph becoming southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 67. Southwest wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 83. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 69. South wind 6 to 8 mph.
Sunday
Mostly cloudy, with a high near 82.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 69.
Monday
A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 82. Chance of precipitation is 50%.
Monday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 66. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 85.
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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:
3:41 pm EDT Jul 30, 2026
Forecast Valid:
10pm EDT Jul 30, 2026-6pm EDT Aug 6, 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