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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 3:21 pm CST Jan 20, 2026
 
Tonight

Tonight: Mostly clear, with a low around 23. Light south southeast wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Low: 23 °F
Wednesday

Wednesday: Showers likely, mainly after 1pm.  Increasing clouds, with a high near 48. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
High: 48 °F
Wednesday
Night
Wednesday Night: A 50 percent chance of showers, mainly before 10pm.  Mostly cloudy, with a low around 34. South southwest wind 5 to 10 mph becoming light and variable  after midnight. Winds could gust as high as 20 mph.  New precipitation amounts between a tenth and quarter of an inch possible.
Low: 34 °F
Thursday

Thursday: A 20 percent chance of showers after noon.  Partly sunny, with a high near 48. Calm wind becoming north around 5 mph.
High: 48 °F
Thursday
Night
Thursday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 29. North northeast wind 5 to 10 mph.
Low: 29 °F
Friday

Friday: A 30 percent chance of snow showers.  Mostly cloudy, with a high near 35. North wind 10 to 15 mph, with gusts as high as 20 mph.
High: 35 °F
Friday
Night
Friday Night: A 40 percent chance of snow showers, mainly after midnight.  Cloudy, with a low around 15. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Low: 15 °F
Saturday

Saturday: Snow showers. The snow could be heavy at times.  High near 25. North northeast wind around 10 mph.  Chance of precipitation is 80%.
High: 25 °F
Saturday
Night
Saturday Night: Snow showers. The snow could be heavy at times.  Low around 16. North wind 5 to 10 mph.  Chance of precipitation is 90%.
Low: 16 °F
Mostly Clear

Chance
Showers then
Showers
Likely
Chance
Showers then
Mostly Cloudy
Partly Sunny
then Slight
Chance
Showers
Chance
Showers

Chance Snow
Showers

Chance Snow
Showers

Heavy Snow

Heavy Snow

 

Tonight
 
Mostly clear, with a low around 23. Light south southeast wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 20 mph.
Wednesday
 
Showers likely, mainly after 1pm. Increasing clouds, with a high near 48. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
 
A 50 percent chance of showers, mainly before 10pm. Mostly cloudy, with a low around 34. South southwest wind 5 to 10 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
 
A 20 percent chance of showers after noon. Partly sunny, with a high near 48. Calm wind becoming north around 5 mph.
Thursday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 29. North northeast wind 5 to 10 mph.
Friday
 
A 30 percent chance of snow showers. Mostly cloudy, with a high near 35. North wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
 
A 40 percent chance of snow showers, mainly after midnight. Cloudy, with a low around 15. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday
 
Snow showers. The snow could be heavy at times. High near 25. North northeast wind around 10 mph. Chance of precipitation is 80%.
Saturday Night
 
Snow showers. The snow could be heavy at times. Low around 16. North wind 5 to 10 mph. Chance of precipitation is 90%.
Sunday
 
A 40 percent chance of snow showers, mainly before noon. Mostly cloudy, with a high near 28.
Sunday Night
 
Mostly cloudy, with a low around 5.
Monday
 
Partly sunny, with a high near 25.
Monday Night
 
Partly cloudy, with a low around 2.
Tuesday
 
Mostly sunny, with a high near 30.

 

Forecast from NOAA-NWS for Watertown TN.