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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:51 pm CST Nov 13, 2026
 
Tonight

Tonight: Widespread frost, mainly after 11pm.  Otherwise, partly cloudy, with a low around 28. North northwest wind around 5 mph becoming calm  after midnight.
Low: 28 °F
Saturday

Saturday: Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 51. Light north northwest wind becoming north 5 to 10 mph.
High: 51 °F
Saturday
Night
Saturday Night: Widespread frost, mainly after 8pm.  Otherwise, clear, with a low around 26. Calm wind.
Low: 26 °F
Sunday

Sunday: Patchy fog before 9am. Widespread frost, mainly before 8am.  Otherwise, sunny, with a high near 54. Calm wind becoming north northeast around 5 mph in the afternoon.
High: 54 °F
Sunday
Night
Sunday Night: Widespread frost, mainly after 10pm.  Otherwise, mostly clear, with a low around 28. North northeast wind around 5 mph becoming calm.
Low: 28 °F
Monday

Monday: Widespread frost before 8am.  Otherwise, sunny, with a high near 56. Calm wind becoming east northeast around 5 mph.
High: 56 °F
Monday
Night
Monday Night: Mostly clear, with a low around 27. Calm wind.
Low: 27 °F
Tuesday

Tuesday: Sunny, with a high near 61. Calm wind becoming northeast around 5 mph.
High: 61 °F
Tuesday
Night
Tuesday Night: Clear, with a low around 29. Calm wind.
Low: 29 °F
Frost

Frost then
Sunny
Frost

Frost and
Patchy Fog
then Sunny
Frost

Frost then
Sunny
Mostly Clear

Sunny

Clear

 

Tonight
 
Widespread frost, mainly after 11pm. Otherwise, partly cloudy, with a low around 28. North northwest wind around 5 mph becoming calm after midnight.
Saturday
 
Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 51. Light north northwest wind becoming north 5 to 10 mph.
Saturday Night
 
Widespread frost, mainly after 8pm. Otherwise, clear, with a low around 26. Calm wind.
Sunday
 
Patchy fog before 9am. Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 54. Calm wind becoming north northeast around 5 mph in the afternoon.
Sunday Night
 
Widespread frost, mainly after 10pm. Otherwise, mostly clear, with a low around 28. North northeast wind around 5 mph becoming calm.
Monday
 
Widespread frost before 8am. Otherwise, sunny, with a high near 56. Calm wind becoming east northeast around 5 mph.
Monday Night
 
Mostly clear, with a low around 27. Calm wind.
Tuesday
 
Sunny, with a high near 61. Calm wind becoming northeast around 5 mph.
Tuesday Night
 
Clear, with a low around 29. Calm wind.
Wednesday
 
Sunny, with a high near 64.
Wednesday Night
 
Mostly clear, with a low around 35.
Thursday
 
Mostly sunny, with a high near 68.
Thursday Night
 
Partly cloudy, with a low around 40.
Friday
 
Mostly sunny, with a high near 70.

 

Forecast from NOAA-NWS for Watertown TN.