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Hazardous Weather Conditions

Current conditions at

Farmingdale - Republic Airport (KFRG)

Lat: 40.73°NLon: 73.42°WElev: 72ft.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Greenlawn NY

Flood Watch September 13, 06:00am until September 13, 02:00pm
Click here for hazard details and duration
Flood Watch

  • Overnight

    Overnight: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Low around 66. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.

    Low: 66 °F

    Heavy Rain

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 2pm, then a slight chance of showers. Some of the storms could produce heavy rainfall. High near 78. Southeast wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.

    High: 78 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of showers, mainly after 5am. Partly cloudy, with a low around 65. Southwest wind 3 to 7 mph.

    Low: 65 °F

    Mostly Clear
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 74. Northwest wind 10 to 13 mph.

    High: 74 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 56. North wind 9 to 11 mph.

    Low: 56 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 5am. Some of the storms could produce heavy rainfall. Low around 66. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Sunday
Showers and possibly a thunderstorm before 2pm, then a slight chance of showers. Some of the storms could produce heavy rainfall. High near 78. Southeast wind around 7 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between 2 and 3 inches possible.
Sunday Night
A 30 percent chance of showers, mainly after 5am. Partly cloudy, with a low around 65. Southwest wind 3 to 7 mph.
Monday
A 30 percent chance of showers, mainly before 8am. Mostly cloudy, then gradually becoming sunny, with a high near 74. Northwest wind 10 to 13 mph.
Monday Night
Mostly clear, with a low around 56. North wind 9 to 11 mph.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 62.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 63.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 78.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Saturday
Partly sunny, with a high near 74.
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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:
9:10 pm EDT Sep 12, 2026
Forecast Valid:
2am EDT Sep 13, 2026-6pm EDT Sep 19, 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