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

80°F

27°C

Humidity 56%
Wind Speed S 10 mph
Barometer 30.16 in (1021.3 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 18 May 1:53 pm EDT
Extended Forecast for

Locust Valley NY

  • This Afternoon

    This Afternoon: Sunny, with a high near 86. South wind around 11 mph.

    High: 86 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 67. South wind 8 to 10 mph.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 91. Southwest wind 8 to 14 mph.

    High: 91 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72. South wind around 11 mph.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm after 2pm. High near 91. West wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 91 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly before 8pm. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 86. South wind around 11 mph.
Tonight
Mostly clear, with a low around 67. South wind 8 to 10 mph.
Tuesday
Mostly sunny, with a high near 91. Southwest wind 8 to 14 mph.
Tuesday Night
Partly cloudy, with a low around 72. South wind around 11 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 91. West wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers, mainly before 8pm. Low around 57. Chance of precipitation is 80%.
Thursday
Partly sunny, with a high near 71.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 66.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Saturday
Showers likely. Cloudy, with a high near 66. Chance of precipitation is 70%.
Saturday Night
Showers likely. Cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Locust Valley NY
 40.87°N 73.6°W (Elev. 138 ft)
Last Update:
7:33 am EDT May 18, 2026
Forecast Valid:
2pm EDT May 18, 2026-6pm EDT May 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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