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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:21 am CDT Oct 14, 2026
 
Today

Today: Mostly sunny, with a high near 89. South southwest wind 5 to 10 mph.
High: 89 °F		 Tonight

Tonight: A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm.
Low: 68 °F		 Thursday

Thursday: Partly sunny, then gradually becoming 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 65. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Low: 65 °F		 Friday

Friday: Mostly sunny, with a high near 71. Southwest wind 10 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph.
High: 71 °F		 Friday
Night
Friday Night: Partly cloudy, with a low around 41. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Low: 41 °F		 Saturday

Saturday: Sunny, with a high near 62. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
High: 62 °F		 Saturday
Night
Saturday Night: Clear, with a low around 38. East wind 5 to 10 mph.
Low: 38 °F		 Sunday

Sunday: Sunny, with a high near 68. Calm wind becoming south around 5 mph in the morning.
High: 68 °F
Mostly Sunny

 Slight Chance
T-storms then
Partly Cloudy
 Becoming
Sunny
 Mostly Clear

 Mostly Sunny

 Partly Cloudy

 Sunny

 Clear

 Sunny

 

Today
 
 Mostly sunny, with a high near 89. South southwest wind 5 to 10 mph.
Tonight
 
 A 20 percent chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 68. South southwest wind around 5 mph becoming calm.
Thursday
 
 Partly sunny, then gradually becoming sunny, with a high near 90. Southwest wind 5 to 10 mph.
Thursday Night
 
 Mostly clear, with a low around 65. South southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Friday
 
 Mostly sunny, with a high near 71. Southwest wind 10 to 20 mph becoming north northwest in the afternoon. Winds could gust as high as 30 mph.
Friday Night
 
 Partly cloudy, with a low around 41. North northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Saturday
 
 Sunny, with a high near 62. North northeast wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
 
 Clear, with a low around 38. East wind 5 to 10 mph.
Sunday
 
 Sunny, with a high near 68. Calm wind becoming south around 5 mph in the morning.
Sunday Night
 
 Mostly clear, with a low around 43.
Monday
 
 Mostly sunny, with a high near 69.
Monday Night
 
 Partly cloudy, with a low around 48.
Tuesday
 
 Mostly sunny, with a high near 73.

 

Forecast from NOAA-NWS for Watertown TN.