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

61°F

16°C

Humidity 58%
Wind Speed SE 6 mph
Barometer 29.85 in (1010.8 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 18 Oct 6:56 pm EDT
Extended Forecast for

3 Miles W Henderson Harbor NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. South wind 13 to 15 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. Breezy, with a south wind 17 to 22 mph, with gusts as high as 36 mph.

    High: 73 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Showers, mainly after 9pm. Low around 53. Breezy, with a south wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers and
    Breezy

  • Monday

    Monday: Showers. High near 59. Breezy, with a west wind 15 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 59 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 47. Breezy, with a west wind 17 to 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Showers
    Likely and
    Breezy

  • Tuesday

    Tuesday: A chance of showers, mainly after 2pm. Partly sunny, with a high near 62. South wind around 14 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers, mainly after 8pm. Low around 47. South wind around 15 mph. Chance of precipitation is 90%.

    Low: 47 °F

    Showers

  • Wednesday

    Wednesday: Showers. High near 56. Breezy, with a southwest wind 16 to 21 mph. Chance of precipitation is 90%.

    High: 56 °F

    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: Showers. Low around 44. Breezy. Chance of precipitation is 80%.

    Low: 44 °F

    Showers and
    Breezy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. South wind 13 to 15 mph.
Sunday
Mostly sunny, with a high near 73. Breezy, with a south wind 17 to 22 mph, with gusts as high as 36 mph.
Sunday Night
Showers, mainly after 9pm. Low around 53. Breezy, with a south wind 17 to 22 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Monday
Showers. High near 59. Breezy, with a west wind 15 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 47. Breezy, with a west wind 17 to 24 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A chance of showers, mainly after 2pm. Partly sunny, with a high near 62. South wind around 14 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Showers, mainly after 8pm. Low around 47. South wind around 15 mph. Chance of precipitation is 90%.
Wednesday
Showers. High near 56. Breezy, with a southwest wind 16 to 21 mph. Chance of precipitation is 90%.
Wednesday Night
Showers. Low around 44. Breezy. Chance of precipitation is 80%.
Thursday
Showers. High near 53. Breezy. Chance of precipitation is 80%.
Thursday Night
Showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 70%.
Friday
A chance of showers. Partly sunny, with a high near 53. Chance of precipitation is 50%.
Friday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Saturday
A chance of showers. Partly sunny, with a high near 55. Chance of precipitation is 50%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles W Henderson Harbor NY
 43.86°N 76.21°W (Elev. 302 ft)
Last Update:
4:36 pm EDT Oct 18, 2025
Forecast Valid:
7pm EDT Oct 18, 2025-6pm EDT Oct 25, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation