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/Mist

55°F

13°C

Humidity 100%
Wind Speed Calm
Barometer 30.23 in (1023.4 mb)
Dewpoint 55°F (13°C)
Visibility 2.00 mi
Last update 17 Sep 5:56 am EDT
Extended Forecast for

4 Miles ESE Cape Vincent NY

  • Today

    Today: Partly sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the morning.

    High: 75 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. Light north wind.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. North wind 7 to 10 mph.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. Northeast wind 5 to 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 66. Northeast wind 5 to 7 mph.

    High: 66 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely after 2am. Mostly cloudy, with a low around 49. Light east wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 49 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers likely, mainly before 8am. Mostly cloudy, with a high near 66. North wind 6 to 11 mph. Chance of precipitation is 60%.

    High: 66 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 47. North wind 6 to 8 mph.

    Low: 47 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 75. Calm wind becoming northwest around 6 mph in the morning.
Tonight
Partly cloudy, with a low around 54. Light north wind.
Friday
Mostly sunny, with a high near 69. North wind 7 to 10 mph.
Friday Night
Mostly cloudy, with a low around 46. Northeast wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 66. Northeast wind 5 to 7 mph.
Saturday Night
Showers likely after 2am. Mostly cloudy, with a low around 49. Light east wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers likely, mainly before 8am. Mostly cloudy, with a high near 66. North wind 6 to 11 mph. Chance of precipitation is 60%.
Sunday Night
Partly cloudy, with a low around 47. North wind 6 to 8 mph.
Monday
Mostly sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 46.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Cape Vincent NY
 44.1°N 76.25°W (Elev. 299 ft)
Last Update:
3:57 am EDT Sep 17, 2026
Forecast Valid:
6am EDT Sep 17, 2026-6pm EDT Sep 23, 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