Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy and Breezy

41°F

5°C

Humidity 73%
Wind Speed W 25 G 37 mph
Barometer 29.28 in (991.4 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 16 Feb 9:56 pm EST
Extended Forecast for

Ronkonkoma NY

Wind Advisory until February 17, 06:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until February 17, 06:00pm

    NOW until 6:00pm Mon

    Wind Advisory

  • Tonight

    Low: 27 °F

    Mostly Cloudy
    and Breezy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 34. Wind chill values between 10 and 20. Windy, with a west wind 22 to 26 mph, with gusts as high as 50 mph.

    High: 34 °F

    Mostly Sunny
    and Windy

  • Monday Night

    Monday Night: Mostly clear, with a low around 16. Wind chill values between zero and 10. Breezy, with a west wind 17 to 20 mph, with gusts as high as 36 mph.

    Low: 16 °F

    Mostly Clear
    and Breezy
    then Clear

  • Tuesday

    Tuesday: Sunny, with a high near 28. Wind chill values between zero and 10. Breezy, with a west wind 18 to 21 mph, with gusts as high as 32 mph.

    High: 28 °F

    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 16. West wind 13 to 15 mph, with gusts as high as 25 mph.

    Low: 16 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 30.

    High: 30 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow after 1am.  Mostly cloudy, with a low around 19.

    Low: 19 °F

    Mostly Cloudy
    then Chance
    Snow

  • Thursday

    Thursday: Snow likely.  Cloudy, with a high near 29. Chance of precipitation is 70%.

    High: 29 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Wind chill values between 15 and 25. Breezy, with a west wind 22 to 24 mph, with gusts as high as 50 mph.
Washington's Birthday
Mostly sunny, with a high near 34. Wind chill values between 10 and 20. Windy, with a west wind 22 to 26 mph, with gusts as high as 50 mph.
Monday Night
Mostly clear, with a low around 16. Wind chill values between zero and 10. Breezy, with a west wind 17 to 20 mph, with gusts as high as 36 mph.
Tuesday
Sunny, with a high near 28. Wind chill values between zero and 10. Breezy, with a west wind 18 to 21 mph, with gusts as high as 32 mph.
Tuesday Night
Mostly clear, with a low around 16. West wind 13 to 15 mph, with gusts as high as 25 mph.
Wednesday
Increasing clouds, with a high near 30.
Wednesday Night
A 50 percent chance of snow after 1am. Mostly cloudy, with a low around 19.
Thursday
Snow likely. Cloudy, with a high near 29. Chance of precipitation is 70%.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Sunny, with a high near 35.
Friday Night
Mostly clear, with a low around 20.
Saturday
Sunny, with a high near 36.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 36.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Ronkonkoma NY
 40.81°N 73.11°W (Elev. 98 ft)
7:02 pm EST Feb 16, 2025
10pm EST Feb 16, 2025-6pm EST Feb 23, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database