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.

A Few Clouds

33°F

1°C

Humidity 75%
Wind Speed NE 9 mph
Barometer 30.37 in (1028.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill25°F (-4°C)
Last update 2 Apr 5:56 am EDT
Extended Forecast for

3 Miles SSE Henderson Harbor NY

  • Today

    Today: Showers likely, mainly after 4pm. Mostly cloudy, with a high near 49. Northeast wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Tonight

    Tonight: A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 43. Breezy, with a south wind 15 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Chance
    Showers and
    Breezy

  • Friday

    Friday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 63. Breezy, with a south wind 17 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 63 °F

    Showers
    Likely and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. West wind 5 to 11 mph becoming north after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. East wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 59 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 41. Southeast wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 41 °F

    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 47. Breezy, with a west wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 31. West wind around 17 mph.

    Low: 31 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 40.

    High: 40 °F

    Mostly Cloudy

Detailed Forecast

Today
Showers likely, mainly after 4pm. Mostly cloudy, with a high near 49. Northeast wind 5 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers before 11pm, then a chance of showers and thunderstorms between 11pm and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 43. Breezy, with a south wind 15 to 24 mph, with gusts as high as 39 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 63. Breezy, with a south wind 17 to 21 mph, with gusts as high as 34 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly cloudy, with a low around 37. West wind 5 to 11 mph becoming north after midnight.
Saturday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 59. East wind around 7 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Showers and possibly a thunderstorm. Low around 41. Southeast wind 13 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 47. Breezy, with a west wind 14 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 31. West wind around 17 mph.
Monday
Mostly cloudy, with a high near 40.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 38.
Tuesday Night
Mostly clear, with a low around 23.
Wednesday
Sunny, with a high near 41.
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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:
3:58 am EDT Apr 2, 2026
Forecast Valid:
6am EDT Apr 2, 2026-6pm EDT Apr 8, 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