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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 pm CDT May 12, 2026
 
Tonight

Tonight: Mostly clear, with a low around 57. Light south southwest wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Low: 57 °F		 Wednesday

Wednesday: Sunny, with a high near 80. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
High: 80 °F		 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 48. North wind 5 to 10 mph, with gusts as high as 20 mph.
Low: 48 °F		 Thursday

Thursday: Sunny, with a high near 72. Light north wind increasing to 5 to 10 mph in the morning.
High: 72 °F		 Thursday
Night
Thursday Night: Mostly clear, with a low around 47. Calm wind.
Low: 47 °F		 Friday

Friday: Sunny, with a high near 82. Southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
High: 82 °F		 Friday
Night
Friday Night: Partly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 20 mph.
Low: 64 °F		 Saturday

Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
High: 89 °F		 Saturday
Night
Saturday Night: Partly cloudy, with a low around 66. South wind around 5 mph.
Low: 66 °F
Mostly Clear

 Sunny

 Mostly Clear

 Sunny

 Mostly Clear

 Sunny

 Partly Cloudy

 Mostly Sunny
then Slight
Chance
T-storms
 Partly Cloudy

 

Tonight
 
 Mostly clear, with a low around 57. Light south southwest wind increasing to 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Wednesday
 
 Sunny, with a high near 80. South southwest wind 10 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
 Mostly clear, with a low around 48. North wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday
 
 Sunny, with a high near 72. Light north wind increasing to 5 to 10 mph in the morning.
Thursday Night
 
 Mostly clear, with a low around 47. Calm wind.
Friday
 
 Sunny, with a high near 82. Southeast wind 5 to 10 mph becoming south southwest in the afternoon. Winds could gust as high as 20 mph.
Friday Night
 
 Partly cloudy, with a low around 64. South wind around 10 mph, with gusts as high as 20 mph.
Saturday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
 
 Partly cloudy, with a low around 66. South wind around 5 mph.
Sunday
 
 Mostly sunny, with a high near 89.
Sunday Night
 
 Mostly clear, with a low around 68.
Monday
 
 Sunny, with a high near 93.
Monday Night
 
 Partly cloudy, with a low around 69.
Tuesday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Watertown TN.