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.

Overcast

21°F

-6°C

Humidity 81%
Wind Speed NE 7 mph
Barometer 30.10 in (1019.9 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 21 Feb 5:56 pm EST
Extended Forecast for

Belleville NY

  • Tonight

    Tonight: A slight chance of snow showers after 2am. Cloudy, with a low around 20. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 20 °F

    Cloudy then
    Slight Chance
    Snow Showers

  • Sunday

    Sunday: Snow, mainly before 3pm, then a chance of snow showers after 3pm. High near 34. Southeast wind 3 to 7 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow

  • Sunday Night

    Sunday Night: A chance of snow showers. Cloudy, with a low around 21. North wind 5 to 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 21 °F

    Chance Snow
    Showers

  • Monday

    Monday: A chance of snow showers. Mostly cloudy, with a high near 30. North wind 13 to 16 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 30 °F

    Chance Snow
    Showers

  • Monday Night

    Monday Night: A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 3. Northwest wind 10 to 14 mph. Chance of precipitation is 30%.

    Low: 3 °F

    Chance Snow
    Showers

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 15. West wind 7 to 10 mph.

    High: 15 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of snow after 1am. Mostly cloudy, with a low around 7. Light and variable wind becoming southeast 5 to 7 mph in the evening. Chance of precipitation is 40%.

    Low: 7 °F

    Mostly Cloudy
    then Chance
    Snow

  • Wednesday

    Wednesday: Snow likely. Mostly cloudy, with a high near 33. South wind 8 to 11 mph. Chance of precipitation is 70%.

    High: 33 °F

    Snow Likely

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

    Low: 20 °F

    Snow Showers
    Likely

Detailed Forecast

Tonight
A slight chance of snow showers after 2am. Cloudy, with a low around 20. Northeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Snow, mainly before 3pm, then a chance of snow showers after 3pm. High near 34. Southeast wind 3 to 7 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Sunday Night
A chance of snow showers. Cloudy, with a low around 21. North wind 5 to 9 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday
A chance of snow showers. Mostly cloudy, with a high near 30. North wind 13 to 16 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday Night
A chance of snow showers, mainly before 1am. Mostly cloudy, with a low around 3. Northwest wind 10 to 14 mph. Chance of precipitation is 30%.
Tuesday
Mostly cloudy, with a high near 15. West wind 7 to 10 mph.
Tuesday Night
A chance of snow after 1am. Mostly cloudy, with a low around 7. Light and variable wind becoming southeast 5 to 7 mph in the evening. Chance of precipitation is 40%.
Wednesday
Snow likely. Mostly cloudy, with a high near 33. South wind 8 to 11 mph. Chance of precipitation is 70%.
Wednesday Night
Snow showers likely, mainly before 1am. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.
Thursday
A chance of snow showers. Mostly cloudy, with a high near 32. Chance of precipitation is 50%.
Thursday Night
A chance of snow showers. Mostly cloudy, with a low around 17. Chance of precipitation is 50%.
Friday
A chance of snow showers. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Belleville NY
 43.78°N 76.1°W (Elev. 499 ft)
Last Update:
3:36 pm EST Feb 21, 2026
Forecast Valid:
6pm EST Feb 21, 2026-6pm EST Feb 28, 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