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.

Light Rain Fog/Mist

57°F

14°C

Humidity 93%
Wind Speed NE 12 G 20 mph
Barometer 29.88 in (1011.9 mb)
Dewpoint 55°F (13°C)
Visibility 3.00 mi
Last update 11 Oct 8:56 pm EDT
Extended Forecast for

Bohemia NY

  • Tonight

    Tonight: Rain and possibly a thunderstorm, mainly before midnight, then a chance of rain and thunderstorms after midnight. Low around 56. Northeast wind 10 to 16 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 56 °F

    Rain then
    Chance Rain

  • Columbus Day

    Columbus Day: Cloudy through mid morning, then gradual clearing, with a high near 70. Northeast wind 8 to 11 mph.

    High: 70 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. Light north wind.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny through mid morning, then becoming mostly cloudy, with a high near 69. Calm wind becoming south 5 to 8 mph in the morning.

    High: 69 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 62. Southwest wind around 9 mph, with gusts as high as 20 mph.

    Low: 62 °F

    Slight Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Rain and possibly a thunderstorm, mainly before midnight, then a chance of rain and thunderstorms after midnight. Low around 56. Northeast wind 10 to 16 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Columbus Day
Cloudy through mid morning, then gradual clearing, with a high near 70. Northeast wind 8 to 11 mph.
Monday Night
Mostly clear, with a low around 56. Light north wind.
Tuesday
Sunny through mid morning, then becoming mostly cloudy, with a high near 69. Calm wind becoming south 5 to 8 mph in the morning.
Tuesday Night
A 20 percent chance of showers before midnight. Partly cloudy, with a low around 62. Southwest wind around 9 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 76.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 50.
Friday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47. Breezy.
Saturday
Partly sunny, with a high near 56. Breezy.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bohemia NY
 40.79°N 73.15°W (Elev. 49 ft)
Last Update:
3:33 pm EDT Oct 11, 2026
Forecast Valid:
10pm EDT Oct 11, 2026-6pm EDT Oct 18, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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