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

48°F

9°C

Humidity 37%
Wind Speed SW 14 G 23 mph
Barometer 30.28 in (1025.7 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 29 Mar 3:56 pm EDT
Extended Forecast for

Belleville NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. South wind 7 to 11 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers after 1pm. Partly sunny, with a high near 53. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 7pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 42. Light and variable wind becoming east around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Rain and possibly a thunderstorm before 2pm, then rain between 2pm and 5pm, then rain and possibly a thunderstorm after 5pm. High near 58. Southeast wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 58 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 39. Southwest wind 10 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 49. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 49 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32. Northeast wind 6 to 8 mph.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of rain and snow showers between 8am and 2pm, then rain showers likely. Mostly cloudy, with a high near 46. Northeast wind around 10 mph. Chance of precipitation is 70%.

    High: 46 °F

    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Showers. Low around 37. Chance of precipitation is 80%.

    Low: 37 °F

    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 38. South wind 7 to 11 mph.
Monday
A slight chance of showers after 1pm. Partly sunny, with a high near 53. Southwest wind around 11 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Monday Night
A slight chance of showers before 7pm, then a chance of showers after 8pm. Mostly cloudy, with a low around 42. Light and variable wind becoming east around 5 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain and possibly a thunderstorm before 2pm, then rain between 2pm and 5pm, then rain and possibly a thunderstorm after 5pm. High near 58. Southeast wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain and possibly a thunderstorm. Low around 39. Southwest wind 10 to 14 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Wednesday
A chance of showers, mainly before 2pm. Mostly cloudy, with a high near 49. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 32. Northeast wind 6 to 8 mph.
Thursday
A chance of rain and snow showers between 8am and 2pm, then rain showers likely. Mostly cloudy, with a high near 46. Northeast wind around 10 mph. Chance of precipitation is 70%.
Thursday Night
Showers. Low around 37. Chance of precipitation is 80%.
Friday
Showers likely. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 56. Chance of precipitation is 40%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 59. Chance of precipitation is 70%.
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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:
3:58 pm EDT Mar 29, 2026
Forecast Valid:
4pm EDT Mar 29, 2026-6pm EDT Apr 5, 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