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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:21 pm CDT Mar 13, 2026
 
Tonight

Tonight: Clear, with a low around 39. Calm wind.
Low: 39 °F		 Saturday

Saturday: Sunny, with a high near 72. Calm wind becoming southeast around 5 mph in the afternoon.
High: 72 °F		 Saturday
Night
Saturday Night: Increasing clouds, with a low around 54. South wind 5 to 10 mph, with gusts as high as 20 mph.
Low: 54 °F		 Sunday

Sunday: Mostly cloudy, with a high near 74. Windy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
High: 74 °F		 Sunday
Night
Sunday Night: Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 35. Windy, with a south wind 20 to 30 mph becoming west southwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%.
Low: 35 °F		 Monday

Monday: A chance of rain and snow showers before 1pm, then a slight chance of snow showers. Mostly cloudy, with a high near 43. West wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
High: 43 °F		 Monday
Night
Monday Night: Mostly cloudy, with a low around 20. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Low: 20 °F		 Tuesday

Tuesday: Mostly sunny, with a high near 40. West northwest wind around 10 mph.
High: 40 °F		 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 24. Calm wind becoming south southeast around 5 mph after midnight.
Low: 24 °F
Clear

 Sunny

 Increasing
Clouds

 Mostly Cloudy
and Windy

 Windy.
Showers
Likely then
Showers
 Chance
Rain/Snow

 Mostly Cloudy

 Mostly Sunny

 Partly Cloudy

 

Tonight
 
 Clear, with a low around 39. Calm wind.
Saturday
 
 Sunny, with a high near 72. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
 
 Increasing clouds, with a low around 54. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
 
 Mostly cloudy, with a high near 74. Windy, with a south wind 15 to 20 mph increasing to 20 to 25 mph in the afternoon. Winds could gust as high as 40 mph.
Sunday Night
 
 Showers likely before 10pm, then showers likely and possibly a thunderstorm between 10pm and 1am, then showers after 1am. Low around 35. Windy, with a south wind 20 to 30 mph becoming west southwest after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 90%.
Monday
 
 A chance of rain and snow showers before 1pm, then a slight chance of snow showers. Mostly cloudy, with a high near 43. West wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Monday Night
 
 Mostly cloudy, with a low around 20. West northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
 
 Mostly sunny, with a high near 40. West northwest wind around 10 mph.
Tuesday Night
 
 Partly cloudy, with a low around 24. Calm wind becoming south southeast around 5 mph after midnight.
Wednesday
 
 Mostly cloudy, with a high near 54.
Wednesday Night
 
 Partly cloudy, with a low around 39.
Thursday
 
 Sunny, with a high near 68.
Thursday Night
 
 Partly cloudy, with a low around 45.
Friday
 
 Mostly sunny, with a high near 70.

 

Forecast from NOAA-NWS for Watertown TN.