National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

84°F

29°C

Humidity 43%
Wind Speed SW 12 mph
Barometer 30.11 in (1019.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Jun 2:56 pm EDT
Extended Forecast for

Bohemia NY

Extreme Heat Watch June 23, 12:00pm until June 24, 08:00pm
Heat Advisory June 22, 12:00pm until June 22, 08:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Southwest wind 6 to 8 mph.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 87. Southwest wind 9 to 14 mph.

    High: 87 °F

    Slight Chance
    T-storms

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. West wind 5 to 8 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 93. Heat index values as high as 100. Northwest wind 5 to 8 mph becoming southwest in the afternoon.

    High: 93 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Southwest wind around 6 mph becoming calm in the evening.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 68. Southwest wind 6 to 8 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 2pm. Mostly sunny, with a high near 87. Southwest wind 9 to 14 mph.
Sunday Night
Mostly clear, with a low around 74. West wind 5 to 8 mph.
Monday
Sunny, with a high near 93. Heat index values as high as 100. Northwest wind 5 to 8 mph becoming southwest in the afternoon.
Monday Night
Mostly clear, with a low around 72. Southwest wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
Mostly cloudy, with a low around 65.
Thursday
Partly sunny, with a high near 79.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Saturday
Partly sunny, with a high near 79.
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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:
11:38 am EDT Jun 21, 2025
Forecast Valid:
3pm EDT Jun 21, 2025-6pm EDT Jun 28, 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