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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 am CDT Jun 17, 2026
 
Overnight

Overnight: Clear, with a low around 62. South southwest wind around 5 mph.
Low: 62 °F
Wednesday

Wednesday: Sunny, with a high near 88. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
High: 88 °F
Wednesday
Night
Wednesday Night: Increasing clouds, with a low around 74. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Low: 74 °F
Thursday

Thursday: Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm.  High near 86. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%.
High: 86 °F
Thursday
Night
Thursday Night: Showers and possibly a thunderstorm before 4am, then showers likely.  Patchy fog between 1am and 2am. Low around 67. South wind around 5 mph becoming calm.  Chance of precipitation is 80%.
Low: 67 °F
Juneteenth

Juneteenth: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 83. North wind 5 to 10 mph.
High: 83 °F
Friday
Night
Friday Night: Patchy fog after 4am.  Otherwise, partly cloudy, with a low around 60. North northwest wind around 5 mph becoming calm.
Low: 60 °F
Saturday

Saturday: Sunny, with a high near 87. Calm wind becoming north northeast around 5 mph.
High: 87 °F
Saturday
Night
Saturday Night: Mostly clear, with a low around 65. Calm wind becoming south southeast around 5 mph.
Low: 65 °F
Clear

Sunny

Increasing
Clouds
Chance
T-storms then
T-storms
Showers and
Patchy Fog
Chance
Showers
Partly Cloudy
then Patchy
Fog
Sunny

Mostly Clear

 

Overnight
 
Clear, with a low around 62. South southwest wind around 5 mph.
Wednesday
 
Sunny, with a high near 88. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
 
Increasing clouds, with a low around 74. South southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Thursday
 
Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. High near 86. Southwest wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Thursday Night
 
Showers and possibly a thunderstorm before 4am, then showers likely. Patchy fog between 1am and 2am. Low around 67. South wind around 5 mph becoming calm. Chance of precipitation is 80%.
Juneteenth
 
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 83. North wind 5 to 10 mph.
Friday Night
 
Patchy fog after 4am. Otherwise, partly cloudy, with a low around 60. North northwest wind around 5 mph becoming calm.
Saturday
 
Sunny, with a high near 87. Calm wind becoming north northeast around 5 mph.
Saturday Night
 
Mostly clear, with a low around 65. Calm wind becoming south southeast around 5 mph.
Sunday
 
Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 60%.
Sunday Night
 
Showers and thunderstorms likely. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
Monday
 
Showers and possibly a thunderstorm. High near 85. Chance of precipitation is 80%.
Monday Night
 
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Tuesday
 
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.

 

Forecast from NOAA-NWS for Watertown TN.