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 79%
Wind Speed SW 6 mph
Barometer 29.97 in (1014.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 3 Jul 7:56 am EDT
Extended Forecast for

5 Miles SE Cape Vincent NY

Heat Advisory July 3, 08:10am until July 3, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 3, 08:10am until July 3, 08:00pm

    NOW until 8:00pm Fri

    Heat Advisory

  • Today

    High: 83 °F

    Sunny then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 68. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Independence Day

    Independence Day: A slight chance of showers. Mostly sunny, with a high near 82. Northwest wind 5 to 8 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Calm wind.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 84. Northeast wind around 6 mph.

    High: 84 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Mostly cloudy, with a low around 65. Northeast wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers. Partly sunny, with a high near 83. Southeast wind 6 to 8 mph. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 2am. Mostly cloudy, with a low around 65. East wind around 5 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Chance
    Showers

Detailed Forecast

Today
A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 83. Southwest wind 5 to 14 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
A chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 68. Southwest wind 5 to 8 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Independence Day
A slight chance of showers. Mostly sunny, with a high near 82. Northwest wind 5 to 8 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 64. Calm wind.
Sunday
Partly sunny, with a high near 84. Northeast wind around 6 mph.
Sunday Night
A chance of showers after 2am. Mostly cloudy, with a low around 65. Northeast wind around 6 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers. Partly sunny, with a high near 83. Southeast wind 6 to 8 mph. Chance of precipitation is 40%.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 65. East wind around 5 mph. Chance of precipitation is 30%.
Tuesday
Partly sunny, with a high near 84.
Tuesday Night
Mostly cloudy, with a low around 66.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Mostly sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SE Cape Vincent NY
 44.08°N 76.26°W (Elev. 308 ft)
Last Update:
7:57 am EDT Jul 3, 2026
Forecast Valid:
8am EDT Jul 3, 2026-6pm EDT Jul 9, 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