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

47°F

8°C

Humidity 26%
Wind Speed NW 9 G 20 mph
Barometer 30.20 in (1022.8 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 20 Apr 6:53 pm EDT
Extended Forecast for

Locust Valley NY

  • Tonight

    Tonight: Mostly clear, with a low around 33. North wind 9 to 15 mph.

    Low: 33 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. North wind 5 to 9 mph becoming southwest in the afternoon.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers after 2am. Increasing clouds, with a low around 40. South wind around 11 mph.

    Low: 40 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 58. South wind 9 to 11 mph.

    High: 58 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 46. East wind 5 to 7 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 63.

    High: 63 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 47.

    Low: 47 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 33. North wind 9 to 15 mph.
Tuesday
Sunny, with a high near 53. North wind 5 to 9 mph becoming southwest in the afternoon.
Tuesday Night
A 20 percent chance of showers after 2am. Increasing clouds, with a low around 40. South wind around 11 mph.
Wednesday
A 30 percent chance of showers, mainly before noon. Mostly cloudy, with a high near 58. South wind 9 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 46. East wind 5 to 7 mph.
Thursday
Mostly sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 63.
Friday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 47.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 55.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 46.
Sunday
A 30 percent chance of showers. Mostly cloudy, with a high near 59.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Locust Valley NY
 40.87°N 73.6°W (Elev. 138 ft)
Last Update:
6:38 pm EDT Apr 20, 2026
Forecast Valid:
7pm EDT Apr 20, 2026-6pm EDT Apr 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