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.

Fair

68°F

20°C

Humidity 42%
Wind Speed SW 10 G 22 mph
Barometer 29.95 in (1014.1 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 16 May 10:56 am EDT
Extended Forecast for

Watertown NY

  • Today

    Today: Showers likely and possibly a thunderstorm, mainly after 5pm. Increasing clouds, with a high near 75. Southwest wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 75 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 11pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 52. Southwest wind 7 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 52 °F

    Showers
    Likely then
    Patchy Fog

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 70. West wind 5 to 7 mph.

    High: 70 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52. Light and variable wind.

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 85. Southwest wind 6 to 11 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Partly cloudy, with a low around 65. South wind 8 to 10 mph. Chance of precipitation is 30%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers. Partly sunny, with a high near 82. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 59. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Showers

  • Wednesday

    Wednesday: Showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm. High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Showers then
    Chance
    T-storms

Detailed Forecast

Today
Showers likely and possibly a thunderstorm, mainly after 5pm. Increasing clouds, with a high near 75. Southwest wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely before 8pm, then a chance of showers between 8pm and 11pm. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 52. Southwest wind 7 to 13 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 70. West wind 5 to 7 mph.
Sunday Night
Partly cloudy, with a low around 52. Light and variable wind.
Monday
Mostly sunny, with a high near 85. Southwest wind 6 to 11 mph.
Monday Night
A slight chance of showers and thunderstorms, then a chance of showers after 11pm. Partly cloudy, with a low around 65. South wind 8 to 10 mph. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 82. Southwest wind 10 to 13 mph. Chance of precipitation is 30%.
Tuesday Night
Showers likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 59. Southwest wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm. High near 70. Chance of precipitation is 80%.
Wednesday Night
Mostly cloudy, with a low around 44.
Thursday
Partly sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 42.
Friday
Mostly sunny, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown NY
 43.98°N 75.91°W (Elev. 449 ft)
Last Update:
9:57 am EDT May 16, 2026
Forecast Valid:
11am EDT May 16, 2026-6pm EDT May 22, 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