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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 5:11 am CDT Oct 29, 2026
 
Today

Today: Sunny, with a high near 77. Calm wind becoming south southwest around 5 mph.
High: 77 °F
Tonight

Tonight: Patchy fog after 3am.  Otherwise, partly cloudy, with a low around 45. Calm wind.
Low: 45 °F
Friday

Friday: Patchy fog before 9am.  Otherwise, sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
High: 80 °F
Friday
Night
Friday Night: Increasing clouds, with a low around 54. Northeast wind around 5 mph becoming calm  in the evening.
Low: 54 °F
Saturday

Saturday: Cloudy, with a high near 76. Light east southeast wind becoming south 5 to 10 mph in the afternoon.
High: 76 °F
Saturday
Night
Saturday Night: A 40 percent chance of showers after 1am.  Cloudy, with a low around 54. Southeast wind around 5 mph.
Low: 54 °F
Sunday

Sunday: Showers likely, mainly before 1pm.  Mostly cloudy, with a high near 67. South southeast wind around 5 mph.  Chance of precipitation is 60%.
High: 67 °F
Sunday
Night
Sunday Night: A 30 percent chance of showers, mainly before 1am.  Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm  in the evening.
Low: 51 °F
Monday

Monday: Partly sunny, with a high near 72. Light southeast wind becoming south 5 to 10 mph in the morning.
High: 72 °F
Sunny

Partly Cloudy
then Patchy
Fog
Patchy Fog
then Mostly
Sunny
Increasing
Clouds
Cloudy

Cloudy then
Chance
Showers
Showers
Likely
Chance
Showers
Partly Sunny

 

Today
 
Sunny, with a high near 77. Calm wind becoming south southwest around 5 mph.
Tonight
 
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 45. Calm wind.
Friday
 
Patchy fog before 9am. Otherwise, sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
 
Increasing clouds, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.
Saturday
 
Cloudy, with a high near 76. Light east southeast wind becoming south 5 to 10 mph in the afternoon.
Saturday Night
 
A 40 percent chance of showers after 1am. Cloudy, with a low around 54. Southeast wind around 5 mph.
Sunday
 
Showers likely, mainly before 1pm. Mostly cloudy, with a high near 67. South southeast wind around 5 mph. Chance of precipitation is 60%.
Sunday Night
 
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming calm in the evening.
Monday
 
Partly sunny, with a high near 72. Light southeast wind becoming south 5 to 10 mph in the morning.
Monday Night
 
A 20 percent chance of showers after 1am. Mostly cloudy, with a low around 54.
Tuesday
 
A 20 percent chance of showers. Partly sunny, with a high near 75.
Tuesday Night
 
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Wednesday
 
A 50 percent chance of showers. Partly sunny, with a high near 72.

 

Forecast from NOAA-NWS for Watertown TN.