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

45°F

7°C

Humidity 35%
Wind Speed S 6 mph
Barometer 30.10 in (1019.5 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 30 Mar 12:56 am EDT
Extended Forecast for

Watertown International Airport NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 36. South wind 7 to 11 mph.

    Low: 36 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers between 4pm and 5pm. Partly sunny, with a high near 52. Southwest wind 11 to 14 mph. Chance of precipitation is 20%.

    High: 52 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers after 2am. Mostly cloudy, with a low around 39. Light and variable wind becoming east around 6 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Rain. High near 58. East wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 39. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: A chance of showers before 2pm. Mostly cloudy, with a high near 49. West wind 9 to 11 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. Northeast wind 7 to 9 mph.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain and snow showers likely, mainly after 2pm. Mostly cloudy, with a high near 44. Northeast wind around 11 mph. Chance of precipitation is 60%.

    High: 44 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Rain and snow showers likely before 8pm, then rain showers. Low around 35. Chance of precipitation is 80%.

    Low: 35 °F

    Rain/Snow
    then Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 36. South wind 7 to 11 mph.
Monday
A slight chance of showers between 4pm and 5pm. Partly sunny, with a high near 52. Southwest wind 11 to 14 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers after 2am. Mostly cloudy, with a low around 39. Light and variable wind becoming east around 6 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 58. East wind 7 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
Rain and possibly a thunderstorm. Low around 39. Southwest wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Wednesday
A chance of showers before 2pm. Mostly cloudy, with a high near 49. West wind 9 to 11 mph. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 28. Northeast wind 7 to 9 mph.
Thursday
Rain and snow showers likely, mainly after 2pm. Mostly cloudy, with a high near 44. Northeast wind around 11 mph. Chance of precipitation is 60%.
Thursday Night
Rain and snow showers likely before 8pm, then rain showers. Low around 35. Chance of precipitation is 80%.
Friday
Showers likely. Mostly cloudy, with a high near 54. Chance of precipitation is 70%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 35. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 30%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown International Airport NY
 43.99°N 76.03°W (Elev. 299 ft)
Last Update:
9:58 pm EDT Mar 29, 2026
Forecast Valid:
1am EDT Mar 30, 2026-6pm EDT Apr 5, 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