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.

Light Rain

60°F

16°C

Humidity 84%
Wind Speed W 3 mph
Barometer 30.24 in (1024.0 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 May 7:53 pm EDT
Extended Forecast for

Syosset NY

  • Tonight

    Tonight: Cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64. Northeast wind 11 to 13 mph.

    High: 64 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. East wind 6 to 8 mph.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Rain, mainly after 2pm. High near 58. East wind 11 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Chance Rain
    then Rain

  • Saturday Night

    Saturday Night: Rain. Low around 48. East wind 15 to 17 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Rain

  • Sunday

    Sunday: Rain. High near 62. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 62 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely before 8pm, then a chance of showers after 8pm. Cloudy, with a low around 54. Chance of precipitation is 60%.

    Low: 54 °F

    Rain Likely

  • Memorial Day

    Memorial Day: A 40 percent chance of showers. Mostly cloudy, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Cloudy, with a low around 52. Light and variable wind.
Friday
Partly sunny, with a high near 64. Northeast wind 11 to 13 mph.
Friday Night
Mostly cloudy, with a low around 49. East wind 6 to 8 mph.
Saturday
Rain, mainly after 2pm. High near 58. East wind 11 to 15 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Rain. Low around 48. East wind 15 to 17 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain. High near 62. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday Night
Rain likely before 8pm, then a chance of showers after 8pm. Cloudy, with a low around 54. Chance of precipitation is 60%.
Memorial Day
A 40 percent chance of showers. Mostly cloudy, with a high near 69.
Monday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 58.
Tuesday
A 30 percent chance of showers before 8am. Mostly cloudy, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Mostly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 79.
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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:
2:25 pm EDT May 21, 2026
Forecast Valid:
8pm EDT May 21, 2026-6pm EDT May 28, 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