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

Today: Sunny, with a high near 79. Calm wind.
High: 79 °F		 Tonight

Tonight: Mostly clear, with a low around 56. Calm wind becoming south southwest around 5 mph after midnight.
Low: 56 °F		 Wednesday

Wednesday: Mostly sunny, with a high near 80. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
High: 80 °F		 Wednesday
Night
Wednesday Night: 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. North wind around 5 mph becoming calm.
Low: 47 °F		 Friday

Friday: Sunny, with a high near 82. Southeast wind 5 to 10 mph becoming south southwest in the afternoon.
High: 82 °F		 Friday
Night
Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South wind 5 to 10 mph.
Low: 63 °F		 Saturday

Saturday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph.
High: 89 °F
Sunny

 Mostly Clear

 Mostly Sunny

 Clear

 Sunny

 Mostly Clear

 Sunny

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

 

Today
 
 Sunny, with a high near 79. Calm wind.
Tonight
 
 Mostly clear, with a low around 56. Calm wind becoming south southwest around 5 mph after midnight.
Wednesday
 
 Mostly sunny, with a high near 80. South southwest wind 10 to 15 mph becoming west northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
 
 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. North wind around 5 mph becoming calm.
Friday
 
 Sunny, with a high near 82. Southeast wind 5 to 10 mph becoming south southwest in the afternoon.
Friday Night
 
 A 20 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. South wind 5 to 10 mph.
Saturday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
 
 Partly cloudy, with a low around 66.
Sunday
 
 Mostly sunny, with a high near 91.
Sunday Night
 
 Partly cloudy, with a low around 68.
Monday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 92.

 

Forecast from NOAA-NWS for Watertown TN.