Current conditions at

Watertown, Watertown International Airport (KART)

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

Overcast

51°F

11°C

Humidity 92%
Wind Speed N 3 mph
Barometer 30.21 in (1023.0 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 14 Oct 8:56 am EDT
Detailed forecast for

Jefferson County

Today
Some patchy fog early, otherwise mostly cloudy early, then becoming mostly sunny. Highs ranging from around 60 on the tug hill to the mid 60s across the lower elevations. Light winds.
Tonight
Partly to mostly cloudy. Lows in the lower 40s. Light winds, becoming north 5 to 10 mph.
Wednesday
Becoming mostly sunny. Cooler with highs ranging from the upper 40s on the tug hill to the mid 50s across the lower elevations. North winds 10 to 15 mph.
Wednesday Night
Mainly clear. Lows ranging from the lower 30s across the tug hill to the mid 30s along the lake ontario shore. North winds 5 to 10 mph, becoming light.
Thursday
Sunny. Highs ranging from the upper 40s on the tug hill to the mid 50s across the lower elevations. North winds 5 to 10 mph.
Thursday Night
Mainly clear. Lows in the lower 30s.
Friday
Mostly sunny. Highs in the mid 50s.
Friday Night And Saturday
Mostly cloudy. A 50 percent chance of showers. Lows in the lower 40s. Highs in the mid 60s.
Saturday Night And Sunday
Showers likely. Lows in the lower 50s. Highs in the upper 60s. Chance of rain 70 percent.
Sunday Night
Showers. Lows in the mid 40s. Chance of rain 80 percent.
Monday
Showers likely. Highs in the upper 50s. Chance of rain 70 percent.



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400 AM EDT Tue Oct 14 2025
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database