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

29°F

-2°C

Humidity 72%
Wind Speed Calm
Barometer 30.32 in (1027.1 mb)
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Last update 21 Apr 4:56 am EDT
Extended Forecast for

Watertown International Airport NY

  • Today

    Today: Partly sunny, with a high near 49. South wind 6 to 14 mph.

    High: 49 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of showers between 9pm and 3am. Mostly cloudy, with a low around 38. South wind 10 to 17 mph. Chance of precipitation is 20%.

    Low: 38 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 58. Light and variable wind becoming north around 6 mph in the afternoon.

    High: 58 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 36. Calm wind.

    Low: 36 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 57. North wind 3 to 7 mph.

    High: 57 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 36. Calm wind becoming northeast around 5 mph after midnight.

    Low: 36 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 57. Northeast wind around 7 mph.

    High: 57 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 38. East wind around 6 mph.

    Low: 38 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 8am. Partly sunny, with a high near 59. Chance of precipitation is 40%.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 49. South wind 6 to 14 mph.
Tonight
A slight chance of showers between 9pm and 3am. Mostly cloudy, with a low around 38. South wind 10 to 17 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 58. Light and variable wind becoming north around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 36. Calm wind.
Thursday
Mostly sunny, with a high near 57. North wind 3 to 7 mph.
Thursday Night
Partly cloudy, with a low around 36. Calm wind becoming northeast around 5 mph after midnight.
Friday
Mostly sunny, with a high near 57. Northeast wind around 7 mph.
Friday Night
Partly cloudy, with a low around 38. East wind around 6 mph.
Saturday
A chance of showers after 8am. Partly sunny, with a high near 59. Chance of precipitation is 40%.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 40. Chance of precipitation is 30%.
Sunday
A chance of showers. Partly sunny, with a high near 58. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 61.
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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:
3:57 am EDT Apr 21, 2026
Forecast Valid:
5am EDT Apr 21, 2026-6pm EDT Apr 27, 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