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.

Fog

57°F

14°C

Humidity 96%
Wind Speed Calm
Barometer 30.17 in (1021.3 mb)
Dewpoint 56°F (13°C)
Visibility 0.50 mi
Last update 18 Sep 7:56 am EDT
Extended Forecast for

3 Miles NE Henderson Harbor NY

  • Today

    Today: Mostly sunny, with a high near 67. North wind 5 to 13 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 45. Northeast wind around 8 mph.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Northeast wind 3 to 7 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 49. East wind 3 to 5 mph.

    Low: 49 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 64. Northeast wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 48. Northeast wind 7 to 10 mph.

    Low: 48 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. Northeast wind around 14 mph.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 46. Northeast wind 10 to 14 mph.

    Low: 46 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of showers between 8am and 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.

    High: 62 °F

    Chance
    Showers

Detailed Forecast

Today
Mostly sunny, with a high near 67. North wind 5 to 13 mph.
Tonight
Mostly cloudy, with a low around 45. Northeast wind around 8 mph.
Saturday
Mostly sunny, with a high near 64. Northeast wind 3 to 7 mph.
Saturday Night
Increasing clouds, with a low around 49. East wind 3 to 5 mph.
Sunday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 64. Northeast wind 5 to 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly cloudy, with a low around 48. Northeast wind 7 to 10 mph.
Monday
Mostly sunny, with a high near 62. Northeast wind around 14 mph.
Monday Night
Mostly cloudy, with a low around 46. Northeast wind 10 to 14 mph.
Tuesday
A chance of showers between 8am and 2pm. Mostly cloudy, with a high near 62. Chance of precipitation is 30%.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 47. Chance of precipitation is 30%.
Wednesday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 64. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Henderson Harbor NY
 43.89°N 76.11°W (Elev. 400 ft)
Last Update:
7:57 am EDT Sep 18, 2026
Forecast Valid:
8am EDT Sep 18, 2026-6pm EDT Sep 24, 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