National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Farmingdale - Republic Airport (KFRG)

Lat: 40.73°NLon: 73.42°WElev: 72ft.

Fair

67°F

19°C

Humidity 57%
Wind Speed Calm
Barometer 29.83 in (1009.9 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 21 Jun 1:53 am EDT
Extended Forecast for

Syosset NY

  • Overnight

    Overnight: Mostly clear, with a low around 63. Light northwest wind.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph.

    High: 82 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy

  • Monday

    Monday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 76. Southeast wind 5 to 14 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 76 °F

    Showers
    Likely

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 65. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    Low: 65 °F

    Showers

  • Tuesday

    Tuesday: A 50 percent chance of showers. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 63. Light northwest wind.
Sunday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 82. Northwest wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 64. Southwest wind around 5 mph becoming calm in the evening.
Monday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 76. Southeast wind 5 to 14 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 65. South wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 63.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 83.
Thursday Night
A 40 percent chance of showers. Partly cloudy, with a low around 66.
Friday
A 50 percent chance of showers. Partly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 86.
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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:
2:19 am EDT Jun 21, 2026
Forecast Valid:
2am EDT Jun 21, 2026-6pm EDT Jun 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