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

79°F

26°C

Humidity 45%
Wind Speed SE 12 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 56°F (13°C)
Visibility 7.00 mi
Heat Index80°F (27°C)
Last update 26 Jul 2:53 pm EDT
Extended Forecast for

Locust Valley NY

Heat Advisory July 28, 11:00am until July 29, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. South wind 5 to 9 mph becoming light after midnight.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 83. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 83 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely then
    Slight Chance
    T-storms

  • Monday

    Monday: Sunny, with a high near 92. Heat index values as high as 99. North wind 5 to 7 mph becoming calm in the afternoon.

    High: 92 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. South wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 72.

    Low: 72 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. South wind 5 to 9 mph becoming light after midnight.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 83. South wind 5 to 8 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely, mainly before 11pm. Mostly cloudy, with a low around 72. South wind around 6 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny, with a high near 92. Heat index values as high as 99. North wind 5 to 7 mph becoming calm in the afternoon.
Monday Night
Mostly clear, with a low around 73. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 95.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny, with a high near 94.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 72.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 83.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 81.
Friday Night
Mostly clear, with a low around 63.
Saturday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Locust Valley NY
 40.88°N 73.57°W (Elev. 69 ft)
Last Update:
3:02 pm EDT Jul 26, 2025
Forecast Valid:
3pm EDT Jul 26, 2025-6pm EDT Aug 2, 2025
 
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