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.

Overcast

68°F

20°C

Humidity 96%
Wind Speed Calm
Barometer 29.91 in (1012.9 mb)
Dewpoint 67°F (19°C)
Visibility 3.00 mi
Last update 20 Sep 8:53 pm EDT
Extended Forecast for

Syosset NY

  • Tonight

    Tonight: A 50 percent chance of rain before 2am. Mostly cloudy, with a low around 60. Southwest wind 5 to 11 mph becoming north after midnight.

    Low: 60 °F

    Chance Rain

  • Monday

    Monday: Partly sunny, with a high near 70. Northeast wind 10 to 14 mph.

    High: 70 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 56. Northeast wind 9 to 11 mph.

    Low: 56 °F

    Chance Rain

  • Tuesday

    Tuesday: A 50 percent chance of rain. Cloudy, with a high near 65. Northeast wind 13 to 15 mph.

    High: 65 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 54. Northeast wind around 17 mph, with gusts as high as 28 mph.

    Low: 54 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53. Breezy.

    Low: 53 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 66.

    High: 66 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A 50 percent chance of rain before 2am. Mostly cloudy, with a low around 60. Southwest wind 5 to 11 mph becoming north after midnight.
Monday
Partly sunny, with a high near 70. Northeast wind 10 to 14 mph.
Monday Night
A 30 percent chance of rain, mainly after 2am. Mostly cloudy, with a low around 56. Northeast wind 9 to 11 mph.
Tuesday
A 50 percent chance of rain. Cloudy, with a high near 65. Northeast wind 13 to 15 mph.
Tuesday Night
A 20 percent chance of rain before 2am. Mostly cloudy, with a low around 54. Northeast wind around 17 mph, with gusts as high as 28 mph.
Wednesday
Mostly cloudy, with a high near 66.
Wednesday Night
Mostly cloudy, with a low around 53. Breezy.
Thursday
Mostly cloudy, with a high near 66.
Thursday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 53.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 66.
Friday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 53. Breezy.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 68. Breezy.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 54.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 71.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Syosset NY
 40.81°N 73.5°W (Elev. 197 ft)
Last Update:
2:08 pm EDT Sep 20, 2026
Forecast Valid:
9pm EDT Sep 20, 2026-6pm EDT Sep 27, 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