National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

51°F

11°C

Humidity 92%
Wind Speed Calm
Barometer 30.19 in (1022.2 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 5 Oct 3:56 am EDT
Extended Forecast for

Henderson Harbor NY

  • Today

    Today: Sunny, with a high near 80. South wind 6 to 8 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 57. South wind 5 to 9 mph.

    Low: 57 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 77. Southwest wind around 10 mph.

    High: 77 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers after 2am. Partly cloudy, with a low around 60. South wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 72. South wind 10 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly before 2am. Low around 48. West wind around 8 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 48 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Sunny, with a high near 60. North wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 60 °F

    Chance
    Showers then
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 38. Northeast wind around 7 mph.

    Low: 38 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 80. South wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 57. South wind 5 to 9 mph.
Monday
Mostly sunny, with a high near 77. Southwest wind around 10 mph.
Monday Night
A chance of showers after 2am. Partly cloudy, with a low around 60. South wind 6 to 9 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 72. South wind 10 to 14 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Tuesday Night
Showers, mainly before 2am. Low around 48. West wind around 8 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers before 8am. Sunny, with a high near 60. North wind around 10 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 38. Northeast wind around 7 mph.
Thursday
Sunny, with a high near 57.
Thursday Night
Mostly clear, with a low around 42.
Friday
Sunny, with a high near 63.
Friday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly sunny, with a high near 63. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Henderson Harbor NY
 43.87°N 76.15°W (Elev. 400 ft)
Last Update:
1:36 am EDT Oct 5, 2025
Forecast Valid:
4am EDT Oct 5, 2025-6pm EDT Oct 11, 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