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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 3:06 am CDT Oct 10, 2026
 
Overnight

Overnight: A 30 percent chance of showers. Cloudy, with a low around 58. East wind around 5 mph.
Low: 58 °F		 Saturday

Saturday: A chance of showers, then showers and possibly a thunderstorm after 7am. High near 71. East northeast wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
High: 71 °F		 Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 1am, then showers likely. Low around 56. East wind 5 to 15 mph becoming south southeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Low: 56 °F		 Sunday

Sunday: A chance of showers before 1pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 72. South southwest wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
High: 72 °F		 Sunday
Night
Sunday Night: Mostly clear, with a low around 53. West wind around 5 mph becoming calm in the evening.
Low: 53 °F		 Columbus
Day
Columbus Day: Sunny, with a high near 85. West southwest wind around 5 mph.
High: 85 °F		 Monday
Night
Monday Night: Clear, with a low around 58. South southwest wind around 5 mph.
Low: 58 °F		 Tuesday

Tuesday: Sunny, with a high near 87. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
High: 87 °F		 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 61. West northwest wind 5 to 10 mph becoming north after midnight.
Low: 61 °F
Chance
Showers
 Showers
 Showers
 Chance
Showers
 Mostly Clear
 Sunny
 Clear
 Sunny
 Mostly Clear

Wind Advisory
Flood Watch
 

Overnight
 
 A 30 percent chance of showers. Cloudy, with a low around 58. East wind around 5 mph.
Saturday
 
 A chance of showers, then showers and possibly a thunderstorm after 7am. High near 71. East northeast wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
 
 Showers and possibly a thunderstorm before 1am, then showers likely. Low around 56. East wind 5 to 15 mph becoming south southeast after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 A chance of showers before 1pm, then a slight chance of showers after 3pm. Mostly cloudy, with a high near 72. South southwest wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Sunday Night
 
 Mostly clear, with a low around 53. West wind around 5 mph becoming calm in the evening.
Columbus Day
 
 Sunny, with a high near 85. West southwest wind around 5 mph.
Monday Night
 
 Clear, with a low around 58. South southwest wind around 5 mph.
Tuesday
 
 Sunny, with a high near 87. West southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
 
 Mostly clear, with a low around 61. West northwest wind 5 to 10 mph becoming north after midnight.
Wednesday
 
 Sunny, with a high near 85.
Wednesday Night
 
 Mostly clear, with a low around 60.
Thursday
 
 Sunny, with a high near 85.
Thursday Night
 
 Mostly clear, with a low around 58.
Friday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Watertown TN.