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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 2:46 pm CST Nov 11, 2026
 
Tonight

Tonight: A chance of showers between 7pm and 9pm. Increasing clouds, with a low around 44. South southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Low: 44 °F		 Thursday

Thursday: A 20 percent chance of showers after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 56. Northwest wind around 15 mph, with gusts as high as 20 mph.
High: 56 °F		 Thursday
Night
Thursday Night: A 20 percent chance of showers before 7pm. Patchy frost before 1am, then widespread frost after 5am. Otherwise, mostly 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 7am. Otherwise, partly sunny, with a high near 47. Northwest wind 5 to 10 mph.
High: 47 °F		 Friday
Night
Friday Night: Patchy fog after 5am. Widespread frost, mainly after 10pm. Otherwise, mostly clear, with a low around 27. North northwest wind 5 to 10 mph becoming light in the evening.
Low: 27 °F		 Saturday

Saturday: Patchy fog before 8am. Widespread frost before 9am. Otherwise, sunny, with a high near 49. Calm wind becoming north northwest around 5 mph.
High: 49 °F		 Saturday
Night
Saturday Night: Mostly clear, with a low around 25. Calm wind.
Low: 25 °F		 Sunday

Sunday: Mostly sunny, with a high near 53. Calm wind becoming east northeast around 5 mph.
High: 53 °F		 Sunday
Night
Sunday Night: Partly cloudy, with a low around 29. Northeast wind around 5 mph becoming calm.
Low: 29 °F
Chance
Showers then
Partly Cloudy
 Partly Sunny
then Slight
Chance
Showers
 Slight Chance
Showers then
Frost
 Frost then
Partly Sunny

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

 Mostly Sunny

 Partly Cloudy

 

Tonight
 
 A chance of showers between 7pm and 9pm. Increasing clouds, with a low around 44. South southwest wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
 
 A 20 percent chance of showers after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 56. Northwest wind around 15 mph, with gusts as high as 20 mph.
Thursday Night
 
 A 20 percent chance of showers before 7pm. Patchy frost before 1am, then widespread frost after 5am. Otherwise, mostly cloudy, with a low around 32. Northwest wind 5 to 15 mph, with gusts as high as 20 mph.
Friday
 
 Widespread frost, mainly before 7am. Otherwise, partly sunny, with a high near 47. Northwest wind 5 to 10 mph.
Friday Night
 
 Patchy fog after 5am. Widespread frost, mainly after 10pm. Otherwise, mostly clear, with a low around 27. North northwest wind 5 to 10 mph becoming light in the evening.
Saturday
 
 Patchy fog before 8am. Widespread frost before 9am. Otherwise, sunny, with a high near 49. Calm wind becoming north northwest around 5 mph.
Saturday Night
 
 Mostly clear, with a low around 25. Calm wind.
Sunday
 
 Mostly sunny, with a high near 53. Calm wind becoming east northeast around 5 mph.
Sunday Night
 
 Partly cloudy, with a low around 29. Northeast wind around 5 mph becoming calm.
Monday
 
 Mostly sunny, with a high near 52.
Monday Night
 
 Mostly clear, with a low around 29.
Tuesday
 
 Sunny, with a high near 55.
Tuesday Night
 
 Clear, with a low around 29.
Wednesday
 
 Sunny, with a high near 60.

 

Forecast from NOAA-NWS for Watertown TN.