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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:51 pm CST Nov 12, 2026
 
Tonight

Tonight: Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 32. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Low: 32 °F		 Friday

Friday: Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 47. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
High: 47 °F		 Friday
Night
Friday Night: Widespread frost, mainly after midnight. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming light north northwest after midnight.
Low: 29 °F		 Saturday

Saturday: Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 50. Light north northwest wind becoming north 5 to 10 mph.
High: 50 °F		 Saturday
Night
Saturday Night: Patchy fog after 10pm. Widespread frost, mainly after 8pm. Otherwise, mostly clear, with a low around 26. Calm wind.
Low: 26 °F		 Sunday

Sunday: Patchy fog before 7am. Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 52. Calm wind becoming northeast around 5 mph in the afternoon.
High: 52 °F		 Sunday
Night
Sunday Night: Partly cloudy, with a low around 28. North northeast wind around 5 mph becoming calm.
Low: 28 °F		 Monday

Monday: Mostly sunny, with a high near 54. Calm wind becoming east northeast around 5 mph.
High: 54 °F		 Monday
Night
Monday Night: Mostly clear, with a low around 28. North northeast wind around 5 mph becoming calm.
Low: 28 °F
Partly Cloudy
then Frost
 Frost then
Mostly Cloudy
 Frost

 Frost then
Sunny
 Frost and
Patchy Fog
 Frost and
Patchy Fog
then Sunny
 Partly Cloudy

 Mostly Sunny

 Mostly Clear

 

Tonight
 
 Widespread frost, mainly after 2am. Otherwise, partly cloudy, with a low around 32. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
 
 Widespread frost, mainly before 8am. Otherwise, partly sunny, with a high near 47. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
 
 Widespread frost, mainly after midnight. Otherwise, mostly cloudy, then gradually becoming mostly clear, with a low around 29. Northwest wind 5 to 10 mph becoming light north northwest after midnight.
Saturday
 
 Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 50. Light north northwest wind becoming north 5 to 10 mph.
Saturday Night
 
 Patchy fog after 10pm. Widespread frost, mainly after 8pm. Otherwise, mostly clear, with a low around 26. Calm wind.
Sunday
 
 Patchy fog before 7am. Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 52. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
 
 Partly cloudy, with a low around 28. North northeast wind around 5 mph becoming calm.
Monday
 
 Mostly sunny, with a high near 54. Calm wind becoming east northeast around 5 mph.
Monday Night
 
 Mostly clear, with a low around 28. North northeast wind around 5 mph becoming calm.
Tuesday
 
 Sunny, with a high near 58.
Tuesday Night
 
 Clear, with a low around 28.
Wednesday
 
 Sunny, with a high near 62.
Wednesday Night
 
 Mostly clear, with a low around 32.
Thursday
 
 Mostly sunny, with a high near 66.

 

Forecast from NOAA-NWS for Watertown TN.