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.

Overcast

82°F

28°C

Humidity 82%
Wind Speed W 6 mph
Barometer 30.14 in (1020.5 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 6 Aug 9:53 am EDT
Extended Forecast for

Greenlawn NY

Heat Advisory August 6, 11:00am until August 7, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny, with a high near 88. Heat index values as high as 99. Southwest wind 7 to 11 mph.

    High: 88 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. Southwest wind 6 to 9 mph.

    Low: 75 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers and thunderstorms between 2pm and 4pm. Mostly sunny, with a high near 90. Heat index values as high as 103. West wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 90 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Southwest wind around 6 mph.

    Low: 73 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Southwest wind 7 to 10 mph.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 90.

    High: 90 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 88. Heat index values as high as 99. Southwest wind 7 to 11 mph.
Tonight
Mostly clear, with a low around 75. Southwest wind 6 to 9 mph.
Friday
A slight chance of showers and thunderstorms between 2pm and 4pm. Mostly sunny, with a high near 90. Heat index values as high as 103. West wind 5 to 9 mph. Chance of precipitation is 20%.
Friday Night
A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. Southwest wind around 6 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Southwest wind 7 to 10 mph.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
Sunny, with a high near 90.
Sunday Night
Mostly clear, with a low around 72.
Monday
Mostly sunny, with a high near 90.
Monday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 73.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 91.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 71.
Wednesday
Mostly sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Greenlawn NY
 40.86°N 73.37°W (Elev. 197 ft)
Last Update:
9:59 am EDT Aug 6, 2026
Forecast Valid:
10am EDT Aug 6, 2026-6pm EDT Aug 12, 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