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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:16 pm CDT Oct 28, 2026
 
Tonight

Tonight: Clear, with a low around 44. Calm wind.
Low: 44 °F		 Thursday

Thursday: Patchy fog before 8am. Otherwise, sunny, with a high near 77. Calm wind becoming southwest around 5 mph.
High: 77 °F		 Thursday
Night
Thursday Night: Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly clear, with a low around 46. Calm wind.
Low: 46 °F		 Friday

Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming east northeast around 5 mph in the afternoon.
High: 79 °F		 Friday
Night
Friday Night: Mostly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm.
Low: 54 °F		 Saturday

Saturday: Cloudy, with a high near 77. Light east southeast wind becoming south southeast 5 to 10 mph in the afternoon.
High: 77 °F		 Saturday
Night
Saturday Night: A 40 percent chance of showers after 1am. Cloudy, with a low around 55. Southeast wind around 5 mph.
Low: 55 °F		 Sunday

Sunday: Showers likely, mainly before 1pm. Cloudy, with a high near 67. Southeast wind around 5 mph. Chance of precipitation is 60%.
High: 67 °F		 Sunday
Night
Sunday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.
Low: 51 °F
Clear

 Patchy Fog
then Sunny
 Mostly Clear
then Patchy
Fog
 Patchy Fog
then Mostly
Sunny
 Mostly Cloudy

 Cloudy

 Mostly Cloudy
then Chance
Showers
 Showers
Likely
 Slight Chance
Showers

 

Tonight
 
 Clear, with a low around 44. Calm wind.
Thursday
 
 Patchy fog before 8am. Otherwise, sunny, with a high near 77. Calm wind becoming southwest around 5 mph.
Thursday Night
 
 Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly clear, with a low around 46. Calm wind.
Friday
 
 Patchy fog before 9am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming east northeast around 5 mph in the afternoon.
Friday Night
 
 Mostly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm.
Saturday
 
 Cloudy, with a high near 77. Light east southeast wind becoming south southeast 5 to 10 mph in the afternoon.
Saturday Night
 
 A 40 percent chance of showers after 1am. Cloudy, with a low around 55. Southeast wind around 5 mph.
Sunday
 
 Showers likely, mainly before 1pm. Cloudy, with a high near 67. Southeast wind around 5 mph. Chance of precipitation is 60%.
Sunday Night
 
 A 20 percent chance of showers. Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.
Monday
 
 A 20 percent chance of showers before 1pm. Partly sunny, with a high near 72.
Monday Night
 
 Mostly cloudy, with a low around 54.
Tuesday
 
 A 20 percent chance of showers. Partly sunny, with a high near 75.
Tuesday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Wednesday
 
 A 50 percent chance of showers. Partly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Watertown TN.