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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:01 pm CDT Mar 20, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Low: 57 °F		 Saturday

Saturday: Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph.
High: 81 °F		 Saturday
Night
Saturday Night: A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. Southwest wind around 5 mph.
Low: 61 °F		 Sunday

Sunday: Sunny, with a high near 84. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
High: 84 °F		 Sunday
Night
Sunday Night: Partly cloudy, with a low around 53. South southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Low: 53 °F		 Monday

Monday: Mostly sunny, with a high near 65. North wind 10 to 15 mph, with gusts as high as 20 mph.
High: 65 °F		 Monday
Night
Monday Night: Partly cloudy, with a low around 41. North northeast wind 5 to 10 mph.
Low: 41 °F		 Tuesday

Tuesday: Partly sunny, with a high near 68. East northeast wind around 5 mph becoming south in the afternoon.
High: 68 °F		 Tuesday
Night
Tuesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 47. South southeast wind around 5 mph.
Low: 47 °F
Partly Cloudy

 Mostly Sunny

 Slight Chance
T-storms then
Mostly Clear
 Sunny

 Partly Cloudy

 Mostly Sunny

 Partly Cloudy

 Partly Sunny

 Slight Chance
Showers

 

Tonight
 
 Partly cloudy, with a low around 57. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Saturday
 
 Mostly sunny, with a high near 81. Southwest wind 5 to 10 mph.
Saturday Night
 
 A 20 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 61. Southwest wind around 5 mph.
Sunday
 
 Sunny, with a high near 84. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Sunday Night
 
 Partly cloudy, with a low around 53. South southwest wind around 10 mph becoming northwest after midnight. Winds could gust as high as 20 mph.
Monday
 
 Mostly sunny, with a high near 65. North wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
 
 Partly cloudy, with a low around 41. North northeast wind 5 to 10 mph.
Tuesday
 
 Partly sunny, with a high near 68. East northeast wind around 5 mph becoming south in the afternoon.
Tuesday Night
 
 A 20 percent chance of showers. Mostly cloudy, with a low around 47. South southeast wind around 5 mph.
Wednesday
 
 A slight chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 66. Chance of precipitation is 20%.
Wednesday Night
 
 Mostly cloudy, with a low around 49.
Thursday
 
 Sunny, with a high near 78.
Thursday Night
 
 A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 53.
Friday
 
 A 50 percent chance of showers. Partly sunny, with a high near 67.

 

Forecast from NOAA-NWS for Watertown TN.