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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:21 pm CDT Oct 29, 2026
 
Tonight

Tonight: Patchy fog after 2am.  Otherwise, partly cloudy, with a low around 45. Calm wind.
Low: 45 °F
Friday

Friday: Patchy fog before 9am.  Otherwise, mostly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
High: 80 °F
Friday
Night
Friday Night: Mostly cloudy, with a low around 54. East northeast wind around 5 mph becoming calm  in the evening.
Low: 54 °F
Saturday

Saturday: Mostly cloudy, with a high near 77. Light east southeast wind becoming south 5 to 10 mph in the afternoon.
High: 77 °F
Saturday
Night
Saturday Night: A 50 percent chance of showers after 1am.  Cloudy, with a low around 53. South southeast wind around 5 mph.
Low: 53 °F
Sunday

Sunday: Showers likely.  Cloudy, with a high near 64. South southeast wind 5 to 10 mph.  Chance of precipitation is 70%.
High: 64 °F
Sunday
Night
Sunday Night: A 30 percent chance of showers.  Mostly cloudy, with a low around 51. Southeast wind around 5 mph.
Low: 51 °F
Monday

Monday: Mostly cloudy, with a high near 72. South southeast wind 5 to 10 mph.
High: 72 °F
Monday
Night
Monday Night: Mostly cloudy, with a low around 53. South southeast wind 5 to 10 mph, with gusts as high as 25 mph.
Low: 53 °F
Partly Cloudy
then Patchy
Fog
Patchy Fog
then Mostly
Sunny
Mostly Cloudy

Mostly Cloudy

Cloudy then
Chance
Showers
Showers
Likely
Chance
Showers
Mostly Cloudy

Mostly Cloudy

 

Tonight
 
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 45. Calm wind.
Friday
 
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
 
Mostly cloudy, with a low around 54. East northeast wind around 5 mph becoming calm in the evening.
Saturday
 
Mostly cloudy, with a high near 77. Light east southeast wind becoming south 5 to 10 mph in the afternoon.
Saturday Night
 
A 50 percent chance of showers after 1am. Cloudy, with a low around 53. South southeast wind around 5 mph.
Sunday
 
Showers likely. Cloudy, with a high near 64. South southeast wind 5 to 10 mph. Chance of precipitation is 70%.
Sunday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 51. Southeast wind around 5 mph.
Monday
 
Mostly cloudy, with a high near 72. South southeast wind 5 to 10 mph.
Monday Night
 
Mostly cloudy, with a low around 53. South southeast wind 5 to 10 mph, with gusts as high as 25 mph.
Tuesday
 
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 76.
Tuesday Night
 
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Wednesday
 
A 50 percent chance of showers. Partly sunny, with a high near 73.
Wednesday Night
 
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Thursday
 
A 40 percent chance of showers. Partly sunny, with a high near 68.

 

Forecast from NOAA-NWS for Watertown TN.