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.

Mostly Cloudy

70°F

21°C

Humidity 84%
Wind Speed Calm
Barometer 30.10 in (1019.0 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 17 Sep 5:56 pm EDT
Extended Forecast for

Watertown NY

  • Tonight

    Tonight: A slight chance of showers before 7pm. Mostly cloudy, with a low around 55. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 69. Light north wind increasing to 6 to 11 mph in the morning.

    High: 69 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind around 6 mph becoming calm in the evening.

    Low: 42 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Mostly sunny, with a high near 65. Northeast wind 3 to 5 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers after 2am. Mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 30%.

    Low: 48 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 2pm. Mostly cloudy, with a high near 65. Calm wind becoming northeast 5 to 8 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Northeast wind 3 to 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. Northeast wind around 10 mph.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 7pm. Mostly cloudy, with a low around 55. North wind around 6 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
Mostly sunny, with a high near 69. Light north wind increasing to 6 to 11 mph in the morning.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 42. North wind around 6 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 65. Northeast wind 3 to 5 mph.
Saturday Night
A chance of showers after 2am. Mostly cloudy, with a low around 48. Calm wind. Chance of precipitation is 30%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 65. Calm wind becoming northeast 5 to 8 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly cloudy, with a low around 45. Northeast wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 62. Northeast wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Mostly sunny, with a high near 63.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Mostly sunny, with a high near 65.
Wednesday Night
A chance of showers. Partly cloudy, with a low around 47. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown NY
 44°N 75.91°W (Elev. 443 ft)
Last Update:
3:57 pm EDT Sep 17, 2026
Forecast Valid:
6pm EDT Sep 17, 2026-6pm EDT Sep 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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