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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 10:31 pm CDT Oct 14, 2026
 
Tonight

Tonight: Patchy fog between 1am and 3am. Otherwise, partly cloudy, with a low around 68. Calm wind.
Low: 68 °F		 Thursday

Thursday: Sunny, with a high near 90. South southwest wind 5 to 10 mph.
High: 90 °F		 Thursday
Night
Thursday Night: Mostly clear, with a low around 62. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Low: 62 °F		 Friday

Friday: A slight chance of showers between 3pm and 4pm. Increasing clouds, with a high near 69. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
High: 69 °F		 Friday
Night
Friday Night: Mostly cloudy, with a low around 43. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Low: 43 °F		 Saturday

Saturday: Mostly sunny, with a high near 59. North northeast wind around 15 mph, with gusts as high as 25 mph.
High: 59 °F		 Saturday
Night
Saturday Night: Mostly clear, with a low around 36. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Low: 36 °F		 Sunday

Sunday: Sunny, with a high near 64. East wind around 5 mph.
High: 64 °F		 Sunday
Night
Sunday Night: Mostly clear, with a low around 39. Calm wind.
Low: 39 °F
Mostly Cloudy
then Patchy
Fog
 Sunny

 Mostly Clear

 Mostly Sunny
then Slight
Chance
Showers
 Mostly Cloudy

 Mostly Sunny

 Mostly Clear

 Sunny

 Mostly Clear

 

Tonight
 
 Patchy fog between 1am and 3am. Otherwise, partly cloudy, with a low around 68. Calm wind.
Thursday
 
 Sunny, with a high near 90. South southwest wind 5 to 10 mph.
Thursday Night
 
 Mostly clear, with a low around 62. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
 
 A slight chance of showers between 3pm and 4pm. Increasing clouds, with a high near 69. Southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 20%.
Friday Night
 
 Mostly cloudy, with a low around 43. North northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Saturday
 
 Mostly sunny, with a high near 59. North northeast wind around 15 mph, with gusts as high as 25 mph.
Saturday Night
 
 Mostly clear, with a low around 36. Northeast wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
 
 Sunny, with a high near 64. East wind around 5 mph.
Sunday Night
 
 Mostly clear, with a low around 39. Calm wind.
Monday
 
 Sunny, with a high near 70.
Monday Night
 
 Partly cloudy, with a low around 45.
Tuesday
 
 Mostly sunny, with a high near 72.
Tuesday Night
 
 Mostly clear, with a low around 46.
Wednesday
 
 Sunny, with a high near 76.

 

Forecast from NOAA-NWS for Watertown TN.