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

43°F

6°C

Humidity 93%
Wind Speed E 6 mph
Barometer 30.34 in (1027.5 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 3 Oct 9:56 pm EDT
Extended Forecast for

Watertown NY

  • Tonight

    Tonight: Mostly clear, with a low around 39. East wind around 6 mph becoming light and variable after midnight.

    Low: 39 °F

    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 65. South wind 8 to 13 mph.

    High: 65 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Showers likely, mainly between 2am and 5am. Mostly cloudy, with a low around 46. South wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 8am. Partly sunny, with a high near 56. West wind 9 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 56 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Patchy frost after 3am. Otherwise, mostly clear, with a low around 32. Northwest wind around 6 mph becoming calm after midnight.

    Low: 32 °F

    Partly Cloudy
    then Patchy
    Frost

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 53. Calm wind becoming west 5 to 8 mph in the afternoon.

    High: 53 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 36. South wind 3 to 6 mph.

    Low: 36 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.

    Low: 46 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 39. East wind around 6 mph becoming light and variable after midnight.
Sunday
Partly sunny, with a high near 65. South wind 8 to 13 mph.
Sunday Night
Showers likely, mainly between 2am and 5am. Mostly cloudy, with a low around 46. South wind 7 to 9 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A chance of showers before 8am. Partly sunny, with a high near 56. West wind 9 to 14 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Patchy frost after 3am. Otherwise, mostly clear, with a low around 32. Northwest wind around 6 mph becoming calm after midnight.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 53. Calm wind becoming west 5 to 8 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 36. South wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 64. Southwest wind 11 to 14 mph, with gusts as high as 24 mph.
Wednesday Night
A chance of showers between 8pm and 2am. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 43.
Friday
Mostly sunny, with a high near 62.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Watertown NY
 43.98°N 75.91°W (Elev. 449 ft)
Last Update:
9:58 pm EDT Oct 3, 2026
Forecast Valid:
10pm EDT Oct 3, 2026-6pm EDT Oct 10, 2026
 
Forecast Discussion
 
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Additional Resources

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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