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

39°F

4°C

Humidity 96%
Wind Speed E 6 mph
Barometer 30.24 in (1024.1 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 19 Sep 4:56 am EDT
Extended Forecast for

Watertown NY

  • Today

    Today: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 65 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: A chance of showers after 5am. Increasing clouds, with a low around 46. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 46 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 59. East wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 59 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. Northeast wind 3 to 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 59. Northeast wind around 10 mph.

    High: 59 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. Northeast wind 5 to 7 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 63. Northeast wind 7 to 11 mph.

    High: 63 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41. East wind 3 to 8 mph.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 65. Northeast wind around 5 mph becoming calm in the afternoon.
Tonight
A chance of showers after 5am. Increasing clouds, with a low around 46. Light and variable wind. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 2pm. High near 59. East wind 3 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Mostly cloudy, with a low around 43. Northeast wind 3 to 6 mph.
Monday
Partly sunny, with a high near 59. Northeast wind around 10 mph.
Monday Night
Mostly cloudy, with a low around 40. Northeast wind 5 to 7 mph.
Tuesday
Partly sunny, with a high near 63. Northeast wind 7 to 11 mph.
Tuesday Night
Partly cloudy, with a low around 41. East wind 3 to 8 mph.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Partly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown NY
 43.98°N 75.94°W (Elev. 427 ft)
Last Update:
3:57 am EDT Sep 19, 2026
Forecast Valid:
5am EDT Sep 19, 2026-6pm EDT Sep 25, 2026
 
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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