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.

Mostly Cloudy

69°F

21°C

Humidity 84%
Wind Speed Calm
Barometer 30.14 in (1020.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 16 Aug 4:53 am EDT
Extended Forecast for

Old Bethpage NY

  • Today

    Today: Increasing clouds, with a high near 82. Light and variable wind becoming south 8 to 13 mph in the morning.

    High: 82 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers, with thunderstorms also possible after 2am. Low around 68. South wind 10 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 68 °F

    Showers

  • Monday

    Monday: A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind around 9 mph becoming northwest in the afternoon. Chance of precipitation is 50%.

    High: 84 °F

    Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. North wind 3 to 5 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 85. North wind around 7 mph.

    High: 85 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 82. Light and variable wind becoming south 8 to 13 mph in the morning.
Tonight
Showers, with thunderstorms also possible after 2am. Low around 68. South wind 10 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind around 9 mph becoming northwest in the afternoon. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 69. North wind 3 to 5 mph.
Tuesday
Mostly sunny, with a high near 85. North wind around 7 mph.
Tuesday Night
Mostly clear, with a low around 68.
Wednesday
Sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers after 2am. Partly cloudy, with a low around 70.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 65.
Friday
Mostly sunny, with a high near 81.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 66.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Old Bethpage NY
 40.76°N 73.45°W (Elev. 138 ft)
Last Update:
2:19 am EDT Aug 16, 2026
Forecast Valid:
5am EDT Aug 16, 2026-6pm EDT Aug 22, 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