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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 pm CDT Aug 24, 2026
 
Tonight

Tonight: Partly cloudy, with a low around 61. North northeast wind around 5 mph becoming calm.
Low: 61 °F		 Tuesday

Tuesday: Sunny, with a high near 89. Calm wind becoming north around 5 mph.
High: 89 °F		 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 64. Calm wind.
Low: 64 °F		 Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph.
High: 90 °F		 Wednesday
Night
Wednesday Night: A 30 percent chance of showers. Partly cloudy, with a low around 67. Calm wind.
Low: 67 °F		 Thursday

Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming west northwest around 5 mph in the afternoon.
High: 90 °F		 Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. North wind around 5 mph becoming calm.
Low: 67 °F		 Friday

Friday: Mostly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon.
High: 89 °F		 Friday
Night
Friday Night: Mostly clear, with a low around 66. North northeast wind around 5 mph becoming calm.
Low: 66 °F
Partly Cloudy

 Sunny

 Mostly Clear

 Mostly Sunny
then Slight
Chance
T-storms
 Chance
Showers

 Patchy Fog
then Chance
T-storms
 Chance
Showers

 Mostly Sunny

 Mostly Clear

 

Tonight
 
 Partly cloudy, with a low around 61. North northeast wind around 5 mph becoming calm.
Tuesday
 
 Sunny, with a high near 89. Calm wind becoming north around 5 mph.
Tuesday Night
 
 Mostly clear, with a low around 64. Calm wind.
Wednesday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming west around 5 mph.
Wednesday Night
 
 A 30 percent chance of showers. Partly cloudy, with a low around 67. Calm wind.
Thursday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 90. Calm wind becoming west northwest around 5 mph in the afternoon.
Thursday Night
 
 A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67. North wind around 5 mph becoming calm.
Friday
 
 Mostly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 66. North northeast wind around 5 mph becoming calm.
Saturday
 
 Sunny, with a high near 91.
Saturday Night
 
 Mostly clear, with a low around 68.
Sunday
 
 Sunny, with a high near 92.
Sunday Night
 
 Partly cloudy, with a low around 71.
Monday
 
 Mostly sunny, with a high near 93.

 

Forecast from NOAA-NWS for Watertown TN.