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.

Overcast

72°F

22°C

Humidity 79%
Wind Speed SW 7 mph
Barometer 29.89 in (1011.6 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 4 Sep 5:56 pm EDT
Extended Forecast for

3 Miles W Henderson Harbor NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 58. West wind 5 to 7 mph becoming light and variable after midnight.

    Low: 58 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 74. North wind 6 to 8 mph.

    High: 74 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 54. Northeast wind around 8 mph.

    Low: 54 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 73. North wind around 9 mph.

    High: 73 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Clear

  • Labor Day

    Labor Day: Sunny, with a high near 73. Calm wind becoming west 5 to 7 mph in the afternoon.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Southwest wind 3 to 5 mph.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 73. Northeast wind around 7 mph becoming northwest in the afternoon.

    High: 73 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 58. West wind 5 to 7 mph becoming light and variable after midnight.
Saturday
Partly sunny, with a high near 74. North wind 6 to 8 mph.
Saturday Night
Mostly clear, with a low around 54. Northeast wind around 8 mph.
Sunday
Sunny, with a high near 73. North wind around 9 mph.
Sunday Night
Clear, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.
Labor Day
Sunny, with a high near 73. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 59. Southwest wind 3 to 5 mph.
Tuesday
Partly sunny, with a high near 73. Northeast wind around 7 mph becoming northwest in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 60.
Wednesday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 76. Chance of precipitation is 60%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Thursday
A chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 54.
Friday
Mostly sunny, with a high near 67.
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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:
3:57 pm EDT Sep 4, 2026
Forecast Valid:
6pm EDT Sep 4, 2026-6pm EDT Sep 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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