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

Hazardous Weather Conditions

Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99°NLon: 76.02°WElev: 325ft.

Fair

76°F

24°C

Humidity 40%
Wind Speed S 15 G 30 mph
Barometer 29.73 in (1006.7 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 18 Apr 1:56 pm EDT
Extended Forecast for

3 Miles SSE Henderson Harbor NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 74. Breezy, with a south wind around 22 mph, with gusts as high as 37 mph.

    High: 74 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 36. Southwest wind 10 to 14 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    Low: 36 °F

    Showers

  • Sunday

    Sunday: Rain and snow showers before 9am, then a slight chance of snow showers between 9am and 10am. High near 44. West wind 7 to 15 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 29. West wind around 11 mph.

    Low: 29 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 38. West wind around 10 mph.

    High: 38 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 26. West wind 5 to 7 mph.

    Low: 26 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 47. South wind 7 to 10 mph.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 38. South wind around 8 mph.

    Low: 38 °F

    Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 74. Breezy, with a south wind around 22 mph, with gusts as high as 37 mph.
Tonight
Showers and possibly a thunderstorm. Low around 36. Southwest wind 10 to 14 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Sunday
Rain and snow showers before 9am, then a slight chance of snow showers between 9am and 10am. High near 44. West wind 7 to 15 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 29. West wind around 11 mph.
Monday
Partly sunny, with a high near 38. West wind around 10 mph.
Monday Night
Mostly clear, with a low around 26. West wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 47. South wind 7 to 10 mph.
Tuesday Night
Cloudy, with a low around 38. South wind around 8 mph.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Mostly clear, with a low around 36.
Thursday
Mostly sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 42.
Friday
Partly sunny, with a high near 60.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Henderson Harbor NY
 43.83°N 76.12°W (Elev. 466 ft)
Last Update:
2:24 pm EDT Apr 18, 2026
Forecast Valid:
2pm EDT Apr 18, 2026-6pm EDT Apr 24, 2026
 
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