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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 10:16 am CST Nov 15, 2026
 
Today

Today: Sunny, with a high near 55. North wind around 5 mph.
High: 55 °F		 Tonight

Tonight: Patchy fog between 1am and 4am. Widespread frost, mainly after 11pm. Otherwise, clear, with a low around 28. North wind around 5 mph becoming calm in the evening.
Low: 28 °F		 Monday

Monday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. Calm wind becoming east northeast around 5 mph.
High: 59 °F		 Monday
Night
Monday Night: Patchy fog after 11pm. Widespread frost, mainly after 2am. Otherwise, clear, with a low around 30. North wind around 5 mph becoming calm.
Low: 30 °F		 Tuesday

Tuesday: Patchy fog before 8am. Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 61. Calm wind.
High: 61 °F		 Tuesday
Night
Tuesday Night: Patchy fog after 4am. Otherwise, clear, with a low around 29. Calm wind.
Low: 29 °F		 Wednesday

Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 64. Calm wind becoming south southeast around 5 mph.
High: 64 °F		 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 33. Calm wind.
Low: 33 °F		 Thursday

Thursday: Mostly sunny, with a high near 67. South southwest wind around 5 mph becoming calm in the afternoon.
High: 67 °F
Sunny

 Frost then
Frost and
Patchy Fog
 Frost then
Sunny
 Frost and
Patchy Fog
 Frost and
Patchy Fog
then Sunny
 Clear then
Patchy Fog
 Patchy Fog
then Sunny
 Mostly Clear

 Mostly Sunny

 

Today
 
 Sunny, with a high near 55. North wind around 5 mph.
Tonight
 
 Patchy fog between 1am and 4am. Widespread frost, mainly after 11pm. Otherwise, clear, with a low around 28. North wind around 5 mph becoming calm in the evening.
Monday
 
 Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 59. Calm wind becoming east northeast around 5 mph.
Monday Night
 
 Patchy fog after 11pm. Widespread frost, mainly after 2am. Otherwise, clear, with a low around 30. North wind around 5 mph becoming calm.
Tuesday
 
 Patchy fog before 8am. Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 61. Calm wind.
Tuesday Night
 
 Patchy fog after 4am. Otherwise, clear, with a low around 29. Calm wind.
Wednesday
 
 Patchy fog before 8am. Otherwise, sunny, with a high near 64. Calm wind becoming south southeast around 5 mph.
Wednesday Night
 
 Mostly clear, with a low around 33. Calm wind.
Thursday
 
 Mostly sunny, with a high near 67. South southwest wind around 5 mph becoming calm in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 36.
Friday
 
 Sunny, with a high near 69.
Friday Night
 
 Mostly clear, with a low around 38.
Saturday
 
 Sunny, with a high near 70.

 

Forecast from NOAA-NWS for Watertown TN.