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.

Overcast

43°F

6°C

Humidity 89%
Wind Speed Calm
Barometer 29.88 in (1012.1 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 30 Apr 9:56 pm EDT
Extended Forecast for

Watertown NY

  • Tonight

    Tonight: A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 36. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Areas of frost before 7am. Otherwise, mostly sunny, with a high near 51. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 51 °F

    Areas Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Patchy frost before 3am, then areas of frost after 4am. Otherwise, partly cloudy, with a low around 34. Light southwest wind.

    Low: 34 °F

    Partly Cloudy
    then Areas
    Frost

  • Saturday

    Saturday: A slight chance of showers before 2pm. Areas of frost before 7am. Otherwise, mostly sunny, with a high near 51. West wind 5 to 9 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Patchy frost after 1am. Otherwise, partly cloudy, with a low around 33. Southwest wind 3 to 5 mph.

    Low: 33 °F

    Partly Cloudy
    then Patchy
    Frost

  • Sunday

    Sunday: Areas of frost before 7am. Otherwise, mostly sunny, with a high near 50. West wind 5 to 11 mph.

    High: 50 °F

    Areas Frost
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Partly cloudy, with a low around 39. South wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 39 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A chance of showers. Mostly cloudy, with a high near 59. Southwest wind 13 to 15 mph. Chance of precipitation is 50%.

    High: 59 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.

    Low: 48 °F

    Chance
    Showers

Detailed Forecast

Tonight
A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 36. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 51. Calm wind becoming west 5 to 8 mph in the afternoon.
Friday Night
Patchy frost before 3am, then areas of frost after 4am. Otherwise, partly cloudy, with a low around 34. Light southwest wind.
Saturday
A slight chance of showers before 2pm. Areas of frost before 7am. Otherwise, mostly sunny, with a high near 51. West wind 5 to 9 mph. Chance of precipitation is 20%.
Saturday Night
Patchy frost after 1am. Otherwise, partly cloudy, with a low around 33. Southwest wind 3 to 5 mph.
Sunday
Areas of frost before 7am. Otherwise, mostly sunny, with a high near 50. West wind 5 to 11 mph.
Sunday Night
A chance of showers after 2am. Partly cloudy, with a low around 39. South wind 6 to 9 mph. Chance of precipitation is 30%.
Monday
A chance of showers. Mostly cloudy, with a high near 59. Southwest wind 13 to 15 mph. Chance of precipitation is 50%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%.
Tuesday
A chance of showers. Partly sunny, with a high near 62. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Wednesday
Showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Mostly cloudy, with a low around 42. Chance of precipitation is 60%.
Thursday
Showers likely. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown NY
 43.98°N 75.91°W (Elev. 449 ft)
Last Update:
9:57 pm EDT Apr 30, 2026
Forecast Valid:
10pm EDT Apr 30, 2026-6pm EDT May 7, 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