Current conditions at

Watertown, Watertown International Airport (KART)

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

Fair

60°F

16°C

Humidity 53%
Wind Speed W 9 mph
Barometer 30.41 in (1029.7 mb)
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 19 Oct 12:56 pm EDT
Detailed forecast for

Jefferson County

Rest Of Today
Sunny. Highs around 60. Southwest winds 10 mph or less.
Tonight
Mainly clear. Lows ranging from the upper 30s across the tug hill to the lower 40s along the lake ontario shore. Light winds.
Tuesday
Sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph.
Tuesday Night
Mainly clear. Lows ranging from the lower 30s across the tug hill to the mid 30s along the lake ontario shore. Light winds.
Wednesday
Sunny. Highs in the mid 50s. Light winds.
Wednesday Night
Mainly clear. Lows in the mid 30s.
Thursday
Sunny. Highs in the upper 50s.
Thursday Night
Mainly clear. Lows in the mid 30s.
Friday
Sunny. Highs in the lower 50s.
Friday Night
Mainly clear. Lows in the lower 30s.
Saturday
Sunny. Highs in the mid 50s.
Saturday Night
Mainly clear. Lows in the upper 30s.
Sunday
Mostly sunny. Highs in the upper 50s.



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1000 AM EDT Mon Oct 19 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database