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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.