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.

Fog/Mist

49°F

9°C

Humidity 90%
Wind Speed SW 6 mph
Barometer 29.75 in (1007.5 mb)
Dewpoint 46°F (8°C)
Visibility 5.00 mi
Wind Chill46°F (8°C)
Last update 22 Mar 2:53 pm EDT
Extended Forecast for

Old Brookville NY

  • This Afternoon

    This Afternoon: A 30 percent chance of rain and thunderstorms after 5pm. Partly sunny, with a high near 58. South wind around 10 mph.

    High: 58 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain and thunderstorms before 8pm, then rain and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Low around 40. Southeast wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Showers

  • Monday

    Monday: A 40 percent chance of rain before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 48. North wind 13 to 15 mph.

    High: 48 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly clear, with a low around 31. Northwest wind 9 to 14 mph.

    Low: 31 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 47. Northwest wind around 8 mph becoming west in the afternoon.

    High: 47 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Increasing clouds, with a low around 35.

    Low: 35 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 52.

    High: 52 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A 30 percent chance of rain. Mostly cloudy, with a high near 55.

    High: 55 °F

    Chance Rain

Detailed Forecast

This Afternoon
A 30 percent chance of rain and thunderstorms after 5pm. Partly sunny, with a high near 58. South wind around 10 mph.
Tonight
A chance of rain and thunderstorms before 8pm, then rain and possibly a thunderstorm between 8pm and 11pm, then showers after 11pm. Low around 40. Southeast wind 6 to 8 mph becoming north after midnight. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of rain before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 48. North wind 13 to 15 mph.
Monday Night
Mostly clear, with a low around 31. Northwest wind 9 to 14 mph.
Tuesday
Sunny, with a high near 47. Northwest wind around 8 mph becoming west in the afternoon.
Tuesday Night
Increasing clouds, with a low around 35.
Wednesday
Mostly cloudy, with a high near 52.
Wednesday Night
A 30 percent chance of rain after 2am. Mostly cloudy, with a low around 39.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 55.
Thursday Night
Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 28.
Saturday
Sunny, with a high near 43.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Old Brookville NY
 40.84°N 73.6°W (Elev. 148 ft)
Last Update:
2:51 am EDT Mar 22, 2026
Forecast Valid:
3pm EDT Mar 22, 2026-6pm EDT Mar 29, 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