Current conditions at

Watertown, Watertown International Airport (KART)

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

Overcast

61°F

16°C

Humidity 70%
Wind Speed S 12 G 22 mph
Barometer 29.67 in (1004.5 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 13 May 2:56 pm EDT
Detailed forecast for

Jefferson County

This Afternoon
A chance of showers and thunderstorms early, then showers with a chance of thunderstorms late. Highs ranging from the upper 50s on the tug hill to the lower 60s across the lower elevations. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain near 100 percent.
Tonight
Mostly cloudy. Showers with a chance of thunderstorms in the evening. Lows in the lower 40s. Southwest winds 5 to 10 mph, becoming light. Chance of rain 80 percent.
Thursday
Mostly cloudy. A chance of showers in the afternoon. Cool with highs ranging from the lower 50s on the tug hill to the upper 50s across the lower elevations. Light winds. Chance of rain 30 percent.
Thursday Night
Showers likely. Lows in the mid 40s. Light winds. Chance of rain 60 percent.
Friday
Partly sunny with a chance of showers in the morning, then mostly sunny in the afternoon. Highs ranging from around 60 on the tug hill to the mid 60s across the lower elevations. Light winds. Chance of rain 40 percent.
Friday Night
Partly cloudy. Lows in the mid 40s.
Saturday
Mostly sunny. Highs in the lower 70s.
Saturday Night
Mostly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 40 percent.
Sunday
Partly sunny with a 30 percent chance of showers. Highs in the mid 60s.
Sunday Night
Partly cloudy. Lows in the upper 40s.
Monday
Mostly sunny. Highs in the upper 70s.
Monday Night
Partly cloudy. Lows around 60.
Tuesday
Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40 percent.



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230 PM EDT Wed May 13 2026
 
 

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database