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.

Fog/Mist

14°C

58°F

Humidity 97%
Wind Speed Calm
Barometer 1009.9 mb (29.83 in)
Dewpoint 14°C (57°F)
Visibility 1.61 km
Last update 12 Aug 4:56 am EDT
Extended Forecast for

4 Miles S Watertown International Airport NY

  • Today

    Today: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 26. Light and variable wind becoming west 9 to 14 km/h in the morning.

    High: 26 °C

    Patchy Fog
    then Partly
    Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 15. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Low: 15 °C

    Chance
    T-storms then
    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 25. Light southwest wind becoming west 11 to 16 km/h in the morning. Chance of precipitation is 30%.

    High: 25 °C

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 14. Calm wind. Chance of precipitation is 30%.

    Low: 14 °C

    Chance
    Showers then
    Partly Cloudy

  • Friday

    Friday: A chance of showers before 2pm. Mostly sunny, with a high near 24. North wind 5 to 13 km/h. Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm possible.

    High: 24 °C

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 11. Northeast wind 3 to 8 km/h.

    Low: 11 °C

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 24. Calm wind becoming northwest 5 to 10 km/h in the morning.

    High: 24 °C

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 13. Calm wind.

    Low: 13 °C

    Mostly Clear

  • Sunday

    Sunday: A chance of showers. Partly sunny, with a high near 24. Chance of precipitation is 50%.

    High: 24 °C

    Chance
    Showers

Detailed Forecast

Today
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 26. Light and variable wind becoming west 9 to 14 km/h in the morning.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 15. Calm wind. Chance of precipitation is 40%. New precipitation amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 25. Light southwest wind becoming west 11 to 16 km/h in the morning. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 14. Calm wind. Chance of precipitation is 30%.
Friday
A chance of showers before 2pm. Mostly sunny, with a high near 24. North wind 5 to 13 km/h. Chance of precipitation is 30%. New precipitation amounts between 1 and 2.5 mm possible.
Friday Night
Mostly clear, with a low around 11. Northeast wind 3 to 8 km/h.
Saturday
Mostly sunny, with a high near 24. Calm wind becoming northwest 5 to 10 km/h in the morning.
Saturday Night
Mostly clear, with a low around 13. Calm wind.
Sunday
A chance of showers. Partly sunny, with a high near 24. Chance of precipitation is 50%.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 15. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 24.
Monday Night
Partly cloudy, with a low around 14.
Tuesday
Sunny, with a high near 25.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Watertown International Airport NY
 43.95°N 76.01°W (Elev. 390 m)
Last Update:
3:57 am EDT Aug 12, 2026
Forecast Valid:
5am EDT Aug 12, 2026-6pm EDT Aug 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation