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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 2:41 pm CST Feb 20, 2026
 
Tonight

Tonight: A 40 percent chance of showers, mainly between 11pm and 5am. Increasing clouds, with a low around 41. Calm wind becoming northeast around 5 mph.
Low: 41 °F		 Saturday

Saturday: A 20 percent chance of showers after 5pm. Partly sunny, with a high near 56. East northeast wind 5 to 10 mph becoming north northwest in the afternoon.
High: 56 °F		 Saturday
Night
Saturday Night: A 20 percent chance of showers before midnight. Cloudy during the early evening, then gradual clearing, with a low around 28. Northwest wind around 10 mph, with gusts as high as 20 mph.
Low: 28 °F		 Sunday

Sunday: Sunny, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
High: 40 °F		 Sunday
Night
Sunday Night: Partly cloudy, with a low around 20. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Low: 20 °F		 Monday

Monday: Mostly sunny, with a high near 36. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
High: 36 °F		 Monday
Night
Monday Night: Mostly clear, with a low around 17. Northwest wind 5 to 10 mph becoming light west in the evening.
Low: 17 °F		 Tuesday

Tuesday: Sunny, with a high near 47. Light west southwest wind becoming south southwest 5 to 10 mph in the morning.
High: 47 °F		 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 37. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Low: 37 °F
Chance
Showers

 Partly Sunny
then Slight
Chance
Showers
 Slight Chance
Showers then
Partly Cloudy
 Sunny

 Partly Cloudy

 Mostly Sunny

 Mostly Clear

 Sunny

 Mostly Cloudy

 

Tonight
 
 A 40 percent chance of showers, mainly between 11pm and 5am. Increasing clouds, with a low around 41. Calm wind becoming northeast around 5 mph.
Saturday
 
 A 20 percent chance of showers after 5pm. Partly sunny, with a high near 56. East northeast wind 5 to 10 mph becoming north northwest in the afternoon.
Saturday Night
 
 A 20 percent chance of showers before midnight. Cloudy during the early evening, then gradual clearing, with a low around 28. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
 
 Sunny, with a high near 40. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
 
 Partly cloudy, with a low around 20. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
 
 Mostly sunny, with a high near 36. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
 
 Mostly clear, with a low around 17. Northwest wind 5 to 10 mph becoming light west in the evening.
Tuesday
 
 Sunny, with a high near 47. Light west southwest wind becoming south southwest 5 to 10 mph in the morning.
Tuesday Night
 
 Mostly cloudy, with a low around 37. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
 
 A 20 percent chance of showers after noon. Mostly cloudy, with a high near 60.
Wednesday Night
 
 Showers likely. Cloudy, with a low around 43. Chance of precipitation is 60%.
Thursday
 
 A 50 percent chance of showers. Mostly cloudy, with a high near 57.
Thursday Night
 
 A 20 percent chance of showers. Mostly cloudy, with a low around 35.
Friday
 
 Sunny, with a high near 61.

 

Forecast from NOAA-NWS for Watertown TN.