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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:31 am CST Nov 12, 2026
 
Today

Today: Mostly cloudy through mid morning, then becoming sunny, with a high near 57. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
High: 57 °F		 Tonight

Tonight: Widespread frost between 2am and 5am. Otherwise, mostly cloudy, with a low around 32. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Low: 32 °F		 Friday

Friday: Mostly cloudy, with a high near 48. Northwest wind around 10 mph, with gusts as high as 20 mph.
High: 48 °F		 Friday
Night
Friday Night: Widespread frost, mainly after 11pm. Otherwise, partly cloudy, with a low around 27. Northwest wind 5 to 10 mph becoming light north northwest in the evening.
Low: 27 °F		 Saturday

Saturday: Patchy fog before 8am. Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 49. Light north northwest wind increasing to 5 to 10 mph.
High: 49 °F		 Saturday
Night
Saturday Night: Patchy fog after 5am. Widespread frost, mainly after 8pm. Otherwise, mostly clear, with a low around 25. Calm wind.
Low: 25 °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 27. North northeast wind around 5 mph becoming calm in the evening.
Low: 27 °F		 Monday

Monday: Sunny, with a high near 53. Calm wind becoming northeast around 5 mph in the afternoon.
High: 53 °F
Sunny

 Mostly Cloudy
then Frost
 Mostly Cloudy

 Frost

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

 Sunny

 

Today
 
 Mostly cloudy through mid morning, then becoming sunny, with a high near 57. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
 
 Widespread frost between 2am and 5am. Otherwise, mostly cloudy, with a low around 32. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Friday
 
 Mostly cloudy, with a high near 48. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
 
 Widespread frost, mainly after 11pm. Otherwise, partly cloudy, with a low around 27. Northwest wind 5 to 10 mph becoming light north northwest in the evening.
Saturday
 
 Patchy fog before 8am. Widespread frost, mainly before 8am. Otherwise, sunny, with a high near 49. Light north northwest wind increasing to 5 to 10 mph.
Saturday Night
 
 Patchy fog after 5am. Widespread frost, mainly after 8pm. Otherwise, mostly clear, with a low around 25. 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 27. North northeast wind around 5 mph becoming calm in the evening.
Monday
 
 Sunny, with a high near 53. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
 
 Mostly clear, with a low around 27.
Tuesday
 
 Sunny, with a high near 57.
Tuesday Night
 
 Clear, with a low around 27.
Wednesday
 
 Sunny, with a high near 60.

 

Forecast from NOAA-NWS for Watertown TN.