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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:52 pm CST Feb 21, 2026
 
Overnight

Overnight: Mostly clear, with a low around 26. Northwest wind around 10 mph, with gusts as high as 20 mph.
Low: 26 °F		 Sunday

Sunday: Mostly sunny, with a high near 37. Northwest wind 10 to 20 mph, with gusts as high as 30 mph.
High: 37 °F		 Sunday
Night
Sunday Night: A chance of flurries between 9pm and midnight. Mostly cloudy, with a low around 18. Northwest wind around 15 mph, with gusts as high as 25 mph.
Low: 18 °F		 Monday

Monday: Partly sunny, with a high near 35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
High: 35 °F		 Monday
Night
Monday Night: Mostly clear, with a low around 16. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Low: 16 °F		 Tuesday

Tuesday: Mostly sunny, with a high near 48. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
High: 48 °F		 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 39. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Low: 39 °F		 Wednesday

Wednesday: Mostly cloudy, with a high near 58. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
High: 58 °F		 Wednesday
Night
Wednesday Night: Showers likely, mainly after midnight. Mostly cloudy, with a low around 47. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Low: 47 °F
Mostly Clear

 Mostly Sunny

 Chance
Flurries

 Partly Sunny

 Mostly Clear

 Mostly Sunny

 Mostly Cloudy

 Mostly Cloudy

 Chance
Showers then
Showers
Likely

 

Overnight
 
 Mostly clear, with a low around 26. Northwest wind around 10 mph, with gusts as high as 20 mph.
Sunday
 
 Mostly sunny, with a high near 37. Northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
 
 A chance of flurries between 9pm and midnight. Mostly cloudy, with a low around 18. Northwest wind around 15 mph, with gusts as high as 25 mph.
Monday
 
 Partly sunny, with a high near 35. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday Night
 
 Mostly clear, with a low around 16. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Tuesday
 
 Mostly sunny, with a high near 48. Light south southwest wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
 
 Mostly cloudy, with a low around 39. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday
 
 Mostly cloudy, with a high near 58. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
 
 Showers likely, mainly after midnight. Mostly cloudy, with a low around 47. South southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Thursday
 
 Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Thursday Night
 
 A 40 percent chance of showers. Partly cloudy, with a low around 33.
Friday
 
 Sunny, with a high near 58.
Friday Night
 
 Mostly clear, with a low around 36.
Saturday
 
 A 20 percent chance of showers. Mostly sunny, with a high near 65.

 

Forecast from NOAA-NWS for Watertown TN.