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

72°F

22°C

Humidity 76%
Wind Speed N 3 mph
Barometer 30.14 in (1020.6 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 2 Sep 11:53 am EDT
Extended Forecast for

Syosset NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 75. East wind around 9 mph.

    High: 75 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 66. Southeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 83. Southwest wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Northwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 83. Northwest wind 6 to 9 mph.

    High: 83 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 75. East wind around 9 mph.
Tonight
A slight chance of showers before 11pm, then a slight chance of showers and thunderstorms between 11pm and 2am, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 66. Southeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Showers and thunderstorms likely, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 83. Southwest wind 8 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Northwest wind around 6 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Mostly sunny, with a high near 83. Northwest wind 6 to 9 mph.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 78.
Saturday Night
Mostly clear, with a low around 60.
Sunday
Sunny, with a high near 75.
Sunday Night
Mostly clear, with a low around 59.
Labor Day
Sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Mostly sunny, with a high near 79.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Syosset NY
 40.83°N 73.49°W (Elev. 236 ft)
Last Update:
11:17 am EDT Sep 2, 2026
Forecast Valid:
12pm EDT Sep 2, 2026-6pm EDT Sep 8, 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