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

49°F

9°C

Humidity 56%
Wind Speed NW 10 G 20 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 12 May 3:53 am EDT
Extended Forecast for

Syosset NY

  • Today

    Today: Sunny, with a high near 67. Northwest wind 7 to 10 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 50. South wind around 10 mph.

    Low: 50 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66. Breezy, with a south wind 13 to 20 mph, with gusts as high as 31 mph.

    High: 66 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers, mainly after 2am. Low around 54. South wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 54 °F

    Chance
    Showers then
    Showers

  • Thursday

    Thursday: Showers, with thunderstorms also possible after 11am. High near 66. South wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Partly sunny, with a high near 67.

    High: 67 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 67. Northwest wind 7 to 10 mph.
Tonight
Increasing clouds, with a low around 50. South wind around 10 mph.
Wednesday
Mostly cloudy, with a high near 66. Breezy, with a south wind 13 to 20 mph, with gusts as high as 31 mph.
Wednesday Night
Showers, mainly after 2am. Low around 54. South wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Showers, with thunderstorms also possible after 11am. High near 66. South wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 52.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Syosset NY
 40.83°N 73.49°W (Elev. 236 ft)
Last Update:
2:35 am EDT May 12, 2026
Forecast Valid:
4am EDT May 12, 2026-6pm EDT May 18, 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