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.

Mostly Cloudy

37°F

3°C

Humidity 76%
Wind Speed Calm
Barometer 30.11 in (1019.8 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 1 Nov 9:56 pm EDT
Extended Forecast for

4 Miles W Henderson Harbor NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. Northwest wind 5 to 9 mph.

    Low: 38 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 49. Northwest wind 5 to 7 mph becoming southwest in the afternoon.

    High: 49 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 42. South wind 6 to 13 mph.

    Low: 42 °F

    Partly Cloudy

  • Monday

    Monday: Showers, mainly after 2pm. High near 55. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Breezy.
    Chance
    Showers then
    Showers

  • Monday Night

    Monday Night: Showers, mainly before 2am. Low around 44. Breezy, with a west wind 17 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 44 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: A slight chance of showers before 2pm. Mostly sunny, with a high near 53. West wind 14 to 17 mph. Chance of precipitation is 20%.

    High: 53 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 42. West wind 9 to 15 mph.

    Low: 42 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 51. Southwest wind 8 to 10 mph. Chance of precipitation is 60%.

    High: 51 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.

    Low: 38 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. Northwest wind 5 to 9 mph.
Sunday
Partly sunny, with a high near 49. Northwest wind 5 to 7 mph becoming southwest in the afternoon.
Sunday Night
Partly cloudy, with a low around 42. South wind 6 to 13 mph.
Monday
Showers, mainly after 2pm. High near 55. Breezy, with a southwest wind 15 to 23 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Showers, mainly before 2am. Low around 44. Breezy, with a west wind 17 to 24 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A slight chance of showers before 2pm. Mostly sunny, with a high near 53. West wind 14 to 17 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 42. West wind 9 to 15 mph.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 51. Southwest wind 8 to 10 mph. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.
Thursday
A chance of showers before 2pm. Mostly sunny, with a high near 47. Chance of precipitation is 30%.
Thursday Night
Mostly cloudy, with a low around 36.
Friday
A chance of showers. Mostly cloudy, with a high near 52. Chance of precipitation is 40%.
Friday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Saturday
A chance of showers. Partly sunny, with a high near 51. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Henderson Harbor NY
 43.88°N 76.23°W (Elev. 322 ft)
Last Update:
10:35 pm EDT Nov 1, 2025
Forecast Valid:
10pm EDT Nov 1, 2025-6pm EST Nov 8, 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