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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:36 am CDT May 7, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 66. North northwest wind around 10 mph.
High: 66 °F
Tonight

Tonight: Patchy fog after 5am.  Otherwise, mostly clear, with a low around 41. North northwest wind around 5 mph becoming calm.
Low: 41 °F
Friday

Friday: Sunny, with a high near 72. Calm wind becoming south southwest around 5 mph in the morning.
High: 72 °F
Friday
Night
Friday Night: Partly cloudy, with a low around 51. South southwest wind around 5 mph.
Low: 51 °F
Saturday

Saturday: Mostly sunny, with a high near 77. West wind around 5 mph.
High: 77 °F
Saturday
Night
Saturday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 55. Calm wind.
Low: 55 °F
Sunday

Sunday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 78. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.  Chance of precipitation is 50%.
High: 78 °F
Sunday
Night
Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 50. North wind 5 to 10 mph.  Chance of precipitation is 50%.
Low: 50 °F
Monday

Monday: Mostly sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 20 mph.
High: 68 °F
Sunny

Mostly Clear
then Patchy
Fog
Sunny

Partly Cloudy

Mostly Sunny

Partly Cloudy
then Patchy
Fog
Slight Chance
Showers then
Chance
Showers
Chance
Showers

Mostly Sunny

 

This Afternoon
 
Sunny, with a high near 66. North northwest wind around 10 mph.
Tonight
 
Patchy fog after 5am. Otherwise, mostly clear, with a low around 41. North northwest wind around 5 mph becoming calm.
Friday
 
Sunny, with a high near 72. Calm wind becoming south southwest around 5 mph in the morning.
Friday Night
 
Partly cloudy, with a low around 51. South southwest wind around 5 mph.
Saturday
 
Mostly sunny, with a high near 77. West wind around 5 mph.
Saturday Night
 
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 55. Calm wind.
Sunday
 
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Chance of precipitation is 50%.
Sunday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 50. North wind 5 to 10 mph. Chance of precipitation is 50%.
Monday
 
Mostly sunny, with a high near 68. North wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
 
Clear, with a low around 44.
Tuesday
 
Sunny, with a high near 73.
Tuesday Night
 
A 20 percent chance of showers. Mostly clear, with a low around 54.
Wednesday
 
Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Watertown TN.