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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:56 pm CDT Oct 13, 2026
 
Tonight

Tonight: Clear, with a low around 64. South southwest wind around 5 mph.
Low: 64 °F		 Wednesday

Wednesday: Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph.
High: 89 °F		 Wednesday
Night
Wednesday Night: A 20 percent chance of showers before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 67. South southwest wind around 5 mph becoming calm.
Low: 67 °F		 Thursday

Thursday: Sunny, with a high near 90. Southwest wind 5 to 10 mph.
High: 90 °F		 Thursday
Night
Thursday Night: Mostly clear, with a low around 63. South southwest wind 5 to 10 mph.
Low: 63 °F		 Friday

Friday: Mostly sunny, with a high near 70. West southwest wind 10 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph.
High: 70 °F		 Friday
Night
Friday Night: Mostly clear, with a low around 41. North wind around 15 mph, with gusts as high as 30 mph.
Low: 41 °F		 Saturday

Saturday: Sunny, with a high near 62. North northeast wind around 15 mph, with gusts as high as 20 mph.
High: 62 °F		 Saturday
Night
Saturday Night: Clear, with a low around 39. East wind 5 to 10 mph.
Low: 39 °F
Clear

 Mostly Sunny

 Slight Chance
Showers then
Partly Cloudy
 Sunny

 Mostly Clear

 Mostly Sunny

 Mostly Clear

 Sunny

 Clear

 

Tonight
 
 Clear, with a low around 64. South southwest wind around 5 mph.
Wednesday
 
 Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph.
Wednesday Night
 
 A 20 percent chance of showers before 10pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 67. South southwest wind around 5 mph becoming calm.
Thursday
 
 Sunny, with a high near 90. Southwest wind 5 to 10 mph.
Thursday Night
 
 Mostly clear, with a low around 63. South southwest wind 5 to 10 mph.
Friday
 
 Mostly sunny, with a high near 70. West southwest wind 10 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph.
Friday Night
 
 Mostly clear, with a low around 41. North wind around 15 mph, with gusts as high as 30 mph.
Saturday
 
 Sunny, with a high near 62. North northeast wind around 15 mph, with gusts as high as 20 mph.
Saturday Night
 
 Clear, with a low around 39. East wind 5 to 10 mph.
Sunday
 
 Sunny, with a high near 68.
Sunday Night
 
 Mostly clear, with a low around 44.
Monday
 
 Mostly sunny, with a high near 71.
Monday Night
 
 Partly cloudy, with a low around 48.
Tuesday
 
 Mostly sunny, with a high near 76.

 

Forecast from NOAA-NWS for Watertown TN.