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

26°F

-3°C

Humidity 81%
Wind Speed NE 14 mph
Barometer 29.92 in (1013.6 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 23 Mar 4:56 am EDT
Extended Forecast for

Watertown International Airport NY

  • Today

    Today: Mostly cloudy, with a high near 36. Northeast wind 10 to 13 mph.

    High: 36 °F

    Mostly Cloudy

  • Tonight

    Tonight: Partly cloudy, with a low around 18. North wind around 6 mph.

    Low: 18 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Light and variable wind becoming southwest 9 to 14 mph in the morning.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 24. Southwest wind 7 to 9 mph.

    Low: 24 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers after 2pm. Mostly cloudy, with a high near 46. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 31. South wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 31 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers after 2pm. Mostly cloudy, with a high near 48. South wind 8 to 10 mph. Chance of precipitation is 50%.

    High: 48 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday Night

    Thursday Night: Rain and snow showers likely, mainly before 2am. Mostly cloudy, with a low around 23. Southwest wind around 9 mph becoming northwest after midnight. Chance of precipitation is 70%.

    Low: 23 °F

    Rain/Snow
    Likely

  • Friday

    Friday: A chance of rain and snow showers before 8am. Mostly sunny, with a high near 33. Chance of precipitation is 30%.

    High: 33 °F

    Chance
    Rain/Snow
    then Mostly
    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 36. Northeast wind 10 to 13 mph.
Tonight
Partly cloudy, with a low around 18. North wind around 6 mph.
Tuesday
Mostly sunny, with a high near 37. Light and variable wind becoming southwest 9 to 14 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 24. Southwest wind 7 to 9 mph.
Wednesday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 46. South wind 8 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 31. South wind around 7 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A chance of showers after 2pm. Mostly cloudy, with a high near 48. South wind 8 to 10 mph. Chance of precipitation is 50%.
Thursday Night
Rain and snow showers likely, mainly before 2am. Mostly cloudy, with a low around 23. Southwest wind around 9 mph becoming northwest after midnight. Chance of precipitation is 70%.
Friday
A chance of rain and snow showers before 8am. Mostly sunny, with a high near 33. Chance of precipitation is 30%.
Friday Night
Mostly clear, with a low around 15.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 21.
Sunday
Partly sunny, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown International Airport NY
 43.99°N 76.03°W (Elev. 299 ft)
Last Update:
3:58 am EDT Mar 23, 2026
Forecast Valid:
5am EDT Mar 23, 2026-6pm EDT Mar 29, 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