Current conditions at

Watertown, Watertown International Airport (KART)

Lat: 43.99° N Lon: 76.02° W Elev: 325 ft.

Light Rain

36°F

2°C

Humidity 86%
Wind Speed SW 12 mph
Barometer 29.63 in (1003.8 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 20 Feb 8:56 pm EST
Detailed forecast for

Jefferson County

Tonight
Snow and rain showers early, then snow showers likely from late evening on. Snow may be heavy at times after midnight. Additional snow accumulation ranging from 1 to 2 inches across the lower elevations to 3 to 5 inches on the tug hill. Lows 15 to 20. Southeast winds 10 to 15 mph, becoming west 5 to 10 mph. Chance of precipitation near 100 percent.
Saturday
Cloudy with a 50 percent chance of snow showers. Colder with highs in the upper 20s. North winds 5 to 10 mph, becoming northeast.
Saturday Night
Mostly cloudy with a 40 percent chance of snow showers. Lows 15 to 20. Light winds.
Sunday
Snow likely. Highs in the mid 30s. Light winds. Chance of snow 70 percent.
Sunday Night
Mostly cloudy. Snow likely in the evening, then a chance of snow overnight. Lows 15 to 20. Light winds. Chance of snow 70 percent.
Monday
Mostly cloudy with a 40 percent chance of snow showers. Highs around 30.
Monday Night
Mostly cloudy with a 50 percent chance of snow showers. Lows zero to 5 above.
Tuesday
Mostly cloudy with a 30 percent chance of snow showers. Highs 10 to 15.
Tuesday Night
Mostly cloudy with a 40 percent chance of snow. Lows 5 to 10 above.
Wednesday
Snow likely. Highs in the lower 30s. Chance of snow 70 percent.
Wednesday Night
Snow and rain likely. Lows in the lower 20s. Chance of precipitation 70 percent.
Thursday
Snow and rain likely. Highs in the mid 30s. Chance of precipitation 70 percent.
Thursday Night
Mostly cloudy with a 50 percent chance of snow showers. Lows 10 to 15.
Friday
Partly sunny. Highs in the lower 30s.



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557 PM EST Fri Feb 20 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database