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.

Fair

76°F

24°C

Humidity 69%
Wind Speed SW 6 mph
Barometer 29.83 in (1010.1 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Aug 10:53 pm EDT
Extended Forecast for

Syosset NY

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly after midnight. Cloudy, with a low around 70. Southwest wind around 5 mph becoming calm after midnight.

    Low: 70 °F

    Chance
    T-storms

  • Thursday

    Thursday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Southwest wind 5 to 8 mph becoming northwest in the morning. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 68. Northwest wind 5 to 7 mph.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 86. North wind 7 to 10 mph.

    High: 86 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 65. West wind 5 to 7 mph becoming north in the evening.

    Low: 65 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly after midnight. Cloudy, with a low around 70. Southwest wind around 5 mph becoming calm after midnight.
Thursday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 86. Southwest wind 5 to 8 mph becoming northwest in the morning. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 68. Northwest wind 5 to 7 mph.
Friday
Sunny, with a high near 86. North wind 7 to 10 mph.
Friday Night
Partly cloudy, with a low around 65. West wind 5 to 7 mph becoming north in the evening.
Saturday
Sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 65.
Sunday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 83.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Monday
Showers likely, mainly before 8am. Partly sunny, with a high near 84. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Mostly sunny, with a high near 85.
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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:
9:00 pm EDT Aug 12, 2026
Forecast Valid:
11pm EDT Aug 12, 2026-6pm EDT Aug 19, 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