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

43°F

6°C

Humidity 68%
Wind Speed SW 12 mph
Barometer 30.39 in (1029.3 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 11 Apr 5:56 pm EDT
Extended Forecast for

2 Miles WSW Henderson Harbor NY

  • Tonight

    Tonight: Mostly clear, with a low around 31. West wind 5 to 7 mph becoming calm in the evening.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Showers likely, mainly after 3pm. Increasing clouds, with a high near 52. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 52 °F

    Partly Sunny
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers, mainly before 2am. Low around 44. Breezy, with a south wind 14 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Showers and
    Breezy

  • Monday

    Monday: Showers, mainly after 8am. High near 58. Breezy, with a south wind around 21 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: A chance of showers. Cloudy, with a low around 46. Southwest wind 5 to 11 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 63. South wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 50. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers likely, mainly after 8am. Mostly cloudy, with a high near 63. Southwest wind 7 to 9 mph. Chance of precipitation is 70%.

    High: 63 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.

    Low: 50 °F

    Showers
    Likely

Detailed Forecast

Tonight
Mostly clear, with a low around 31. West wind 5 to 7 mph becoming calm in the evening.
Sunday
Showers likely, mainly after 3pm. Increasing clouds, with a high near 52. South wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers, mainly before 2am. Low around 44. Breezy, with a south wind 14 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, mainly after 8am. High near 58. Breezy, with a south wind around 21 mph, with gusts as high as 34 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
A chance of showers. Cloudy, with a low around 46. Southwest wind 5 to 11 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 63. South wind 6 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 50. Southwest wind 6 to 8 mph. Chance of precipitation is 60%.
Wednesday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 63. Southwest wind 7 to 9 mph. Chance of precipitation is 70%.
Wednesday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Thursday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 60.
Friday Night
Partly cloudy, with a low around 48.
Saturday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WSW Henderson Harbor NY
 43.85°N 76.18°W (Elev. 400 ft)
Last Update:
3:58 pm EDT Apr 11, 2026
Forecast Valid:
6pm EDT Apr 11, 2026-6pm EDT Apr 18, 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