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

49°F

9°C

Humidity 71%
Wind Speed Calm
Barometer 30.32 in (1026.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 11 Oct 2:56 am EDT
Extended Forecast for

Clayton NY

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 51. South wind around 6 mph.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 3pm. Mostly cloudy, with a high near 64. South wind 7 to 9 mph. Chance of precipitation is 20%.

    High: 64 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain, mainly before 2am. Cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 49 °F

    Chance Rain

  • Columbus Day

    Columbus Day: Mostly cloudy, with a high near 64. Calm wind becoming west around 6 mph in the afternoon.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Showers likely, mainly after 2am. Cloudy, with a low around 51. Southeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 65. South wind 8 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 65 °F

    Showers
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 46. West wind around 8 mph becoming northwest after midnight. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 57. Northwest wind around 7 mph.

    High: 57 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 51. South wind around 6 mph.
Sunday
A slight chance of rain after 3pm. Mostly cloudy, with a high near 64. South wind 7 to 9 mph. Chance of precipitation is 20%.
Sunday Night
A chance of rain, mainly before 2am. Cloudy, with a low around 49. Light and variable wind. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
Mostly cloudy, with a high near 64. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Showers likely, mainly after 2am. Cloudy, with a low around 51. Southeast wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers and possibly a thunderstorm. High near 65. South wind 8 to 11 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then showers likely between 8pm and 2am. Low around 46. West wind around 8 mph becoming northwest after midnight. Chance of precipitation is 80%.
Wednesday
Mostly cloudy, with a high near 57. Northwest wind around 7 mph.
Wednesday Night
Mostly cloudy, with a low around 40.
Thursday
Sunny, with a high near 56.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 40. Chance of precipitation is 40%.
Friday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton NY
 44.23°N 76.08°W (Elev. 256 ft)
Last Update:
2:22 am EDT Oct 11, 2026
Forecast Valid:
3am EDT Oct 11, 2026-6pm EDT Oct 17, 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