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

Farmingdale - Republic Airport (KFRG)

Lat: 40.73°NLon: 73.42°WElev: 72ft.

Mostly Cloudy

27°F

-3°C

Humidity 41%
Wind Speed NW 3 mph
Barometer 30.20 in (1022.9 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 9 Feb 8:53 pm EST
Extended Forecast for

Syosset NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 18. Light northwest wind.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 35. Wind chill values between 20 and 30. Calm wind becoming south around 6 mph in the afternoon.

    High: 35 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 10pm, then a chance of rain between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 33. Wind chill values between 25 and 30. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 50%.

    Low: 33 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Wednesday

    Wednesday: Mostly sunny, with a high near 38. Wind chill values between 25 and 30. West wind 9 to 15 mph.

    High: 38 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. West wind around 11 mph, with gusts as high as 23 mph.

    Low: 23 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 19.

    Low: 19 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 20.

    Low: 20 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 18. Light northwest wind.
Tuesday
A 20 percent chance of snow after 4pm. Mostly cloudy, with a high near 35. Wind chill values between 20 and 30. Calm wind becoming south around 6 mph in the afternoon.
Tuesday Night
A chance of rain and snow before 10pm, then a chance of rain between 10pm and 1am. Cloudy, then gradually becoming partly cloudy, with a steady temperature around 33. Wind chill values between 25 and 30. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 50%.
Wednesday
Mostly sunny, with a high near 38. Wind chill values between 25 and 30. West wind 9 to 15 mph.
Wednesday Night
Partly cloudy, with a low around 23. West wind around 11 mph, with gusts as high as 23 mph.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Mostly sunny, with a high near 33.
Friday Night
Mostly clear, with a low around 20.
Saturday
Sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 23.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 37. Chance of precipitation is 40%.
Sunday Night
Rain and snow likely. Cloudy, with a low around 30. Chance of precipitation is 70%.
Washington's Birthday
Rain likely. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Syosset NY
 40.81°N 73.5°W (Elev. 197 ft)
Last Update:
7:33 pm EST Feb 9, 2026
Forecast Valid:
9pm EST Feb 9, 2026-6pm EST Feb 16, 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