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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 am CDT Sep 27, 2026
 
Today

Today: Sunny, with a high near 80. North wind 5 to 10 mph.
High: 80 °F		 Tonight

Tonight: Mostly clear, with a low around 49. North wind around 5 mph becoming calm in the evening.
Low: 49 °F		 Monday

Monday: Mostly sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon.
High: 80 °F		 Monday
Night
Monday Night: Clear, with a low around 50. North northeast wind around 5 mph becoming calm.
Low: 50 °F		 Tuesday

Tuesday: Patchy fog before 7am. Otherwise, sunny, with a high near 85. Calm wind becoming east around 5 mph.
High: 85 °F		 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 58. Calm wind.
Low: 58 °F		 Wednesday

Wednesday: Sunny, with a high near 89. South wind 5 to 10 mph.
High: 89 °F		 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 67. South southeast wind around 5 mph.
Low: 67 °F		 Thursday

Thursday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 89. South wind 5 to 15 mph, with gusts as high as 20 mph.
High: 89 °F
Sunny

 Mostly Clear

 Mostly Sunny

 Clear

 Patchy Fog
then Sunny

 Mostly Clear

 Sunny

 Partly Cloudy

 Mostly Sunny
then Slight
Chance
Showers

 

Today
 
 Sunny, with a high near 80. North wind 5 to 10 mph.
Tonight
 
 Mostly clear, with a low around 49. North wind around 5 mph becoming calm in the evening.
Monday
 
 Mostly sunny, with a high near 80. Calm wind becoming north northeast around 5 mph in the afternoon.
Monday Night
 
 Clear, with a low around 50. North northeast wind around 5 mph becoming calm.
Tuesday
 
 Patchy fog before 7am. Otherwise, sunny, with a high near 85. Calm wind becoming east around 5 mph.
Tuesday Night
 
 Mostly clear, with a low around 58. Calm wind.
Wednesday
 
 Sunny, with a high near 89. South wind 5 to 10 mph.
Wednesday Night
 
 Partly cloudy, with a low around 67. South southeast wind around 5 mph.
Thursday
 
 A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 89. South wind 5 to 15 mph, with gusts as high as 20 mph.
Thursday Night
 
 A 20 percent chance of showers. Mostly cloudy, with a low around 68.
Friday
 
 A 40 percent chance of showers. Partly sunny, with a high near 87.
Friday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 66.
Saturday
 
 A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 81.

 

Forecast from NOAA-NWS for Watertown TN.