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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 10:46 am CDT Sep 22, 2026
 
Today

Today: Mostly sunny, with a high near 86. North wind 5 to 10 mph.
High: 86 °F		 Tonight

Tonight: Partly cloudy, with a low around 62. North northeast wind 5 to 10 mph.
Low: 62 °F		 Wednesday

Wednesday: A 20 percent chance of showers between 3pm and 4pm. Partly sunny, with a high near 83. North wind 5 to 10 mph.
High: 83 °F		 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.
Low: 60 °F		 Thursday

Thursday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming north northeast around 5 mph in the afternoon.
High: 83 °F		 Thursday
Night
Thursday Night: Mostly clear, with a low around 58. North northeast wind 5 to 10 mph becoming light northeast after midnight.
Low: 58 °F		 Friday

Friday: Mostly sunny, with a high near 81. Light northeast wind becoming north northeast 5 to 10 mph in the afternoon.
High: 81 °F		 Friday
Night
Friday Night: Mostly clear, with a low around 52. East northeast wind around 5 mph.
Low: 52 °F		 Saturday

Saturday: Sunny, with a high near 82. North northeast wind around 5 mph.
High: 82 °F
Mostly Sunny

 Partly Cloudy

 Partly Sunny
then Slight
Chance
Showers
 Partly Cloudy

 Patchy Fog
then Mostly
Sunny
 Mostly Clear

 Mostly Sunny

 Mostly Clear

 Sunny

 

Today
 
 Mostly sunny, with a high near 86. North wind 5 to 10 mph.
Tonight
 
 Partly cloudy, with a low around 62. North northeast wind 5 to 10 mph.
Wednesday
 
 A 20 percent chance of showers between 3pm and 4pm. Partly sunny, with a high near 83. North wind 5 to 10 mph.
Wednesday Night
 
 Partly cloudy, with a low around 60. North wind around 5 mph becoming calm in the evening.
Thursday
 
 Patchy fog before 8am. Otherwise, mostly sunny, with a high near 83. Calm wind becoming north northeast around 5 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 58. North northeast wind 5 to 10 mph becoming light northeast after midnight.
Friday
 
 Mostly sunny, with a high near 81. Light northeast wind becoming north northeast 5 to 10 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 52. East northeast wind around 5 mph.
Saturday
 
 Sunny, with a high near 82. North northeast wind around 5 mph.
Saturday Night
 
 Mostly cloudy, with a low around 53.
Sunday
 
 Mostly sunny, with a high near 82.
Sunday Night
 
 Partly cloudy, with a low around 55.
Monday
 
 Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Watertown TN.