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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 pm CDT Aug 23, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 86. North northwest wind around 5 mph.
High: 86 °F		 Tonight

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

Monday: Mostly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
High: 86 °F		 Monday
Night
Monday Night: Mostly clear, with a low around 61. Calm wind.
Low: 61 °F		 Tuesday

Tuesday: Sunny, with a high near 88. Calm wind becoming northeast around 5 mph.
High: 88 °F		 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 64. Calm wind.
Low: 64 °F		 Wednesday

Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
High: 90 °F		 Wednesday
Night
Wednesday Night: A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Calm wind.
Low: 68 °F		 Thursday

Thursday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
High: 89 °F
Sunny

 Partly Cloudy

 Mostly Sunny

 Mostly Clear

 Sunny

 Mostly Clear

 Mostly Sunny
then Chance
T-storms
 Chance
T-storms
 Chance
T-storms

 

This Afternoon
 
 Sunny, with a high near 86. North northwest wind around 5 mph.
Tonight
 
 Partly cloudy, with a low around 61. North wind around 5 mph becoming calm.
Monday
 
 Mostly sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.
Monday Night
 
 Mostly clear, with a low around 61. Calm wind.
Tuesday
 
 Sunny, with a high near 88. Calm wind becoming northeast around 5 mph.
Tuesday Night
 
 Mostly clear, with a low around 64. Calm wind.
Wednesday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
 
 A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68. Calm wind.
Thursday
 
 A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
 
 A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67.
Friday
 
 Mostly sunny, with a high near 89.
Friday Night
 
 Mostly clear, with a low around 65.
Saturday
 
 Sunny, with a high near 89.

 

Forecast from NOAA-NWS for Watertown TN.