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

66°F

19°C

Humidity 61%
Wind Speed N 9 mph
Barometer 30.20 in (1022.4 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 18 Sep 11:56 am EDT
Extended Forecast for

Watertown NY

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 67. North wind around 11 mph.

    High: 67 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 42. Northeast wind 3 to 5 mph.

    Low: 42 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 64. Northeast wind 3 to 5 mph.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 46. Light and variable wind.

    Low: 46 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 65. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 45. Northeast wind 3 to 6 mph.

    Low: 45 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 62. Northeast wind 9 to 11 mph.

    High: 62 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. Northeast wind 6 to 9 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 62.

    High: 62 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 67. North wind around 11 mph.
Tonight
Mostly cloudy, with a low around 42. Northeast wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 64. Northeast wind 3 to 5 mph.
Saturday Night
Increasing clouds, with a low around 46. Light and variable wind.
Sunday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 65. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Mostly cloudy, with a low around 45. Northeast wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 62. Northeast wind 9 to 11 mph.
Monday Night
Mostly cloudy, with a low around 44. Northeast wind 6 to 9 mph.
Tuesday
Mostly cloudy, with a high near 62.
Tuesday Night
A chance of showers after 2am. Mostly cloudy, with a low around 44. Chance of precipitation is 30%.
Wednesday
A chance of showers. Mostly sunny, with a high near 64. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Thursday
A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Watertown NY
 43.98°N 75.91°W (Elev. 449 ft)
Last Update:
9:57 am EDT Sep 18, 2026
Forecast Valid:
12pm EDT Sep 18, 2026-6pm EDT Sep 24, 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