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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 am CDT Aug 23, 2026
 
Overnight

Overnight: Mostly clear, with a low around 63. Calm wind.
Low: 63 °F		 Sunday

Sunday: Sunny, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon.
High: 86 °F		 Sunday
Night
Sunday Night: Partly cloudy, with a low around 60. North northwest wind around 5 mph becoming calm.
Low: 60 °F		 Monday

Monday: Sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.
High: 85 °F		 Monday
Night
Monday Night: 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 87. Calm wind becoming northeast around 5 mph.
High: 87 °F		 Tuesday
Night
Tuesday Night: Partly cloudy, 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 89. Calm wind becoming southwest around 5 mph.
High: 89 °F		 Wednesday
Night
Wednesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Low: 67 °F
Mostly Clear

 Sunny

 Partly Cloudy

 Sunny

 Partly Cloudy

 Sunny

 Partly Cloudy

 Mostly Sunny
then Chance
T-storms
 Chance
T-storms

 

Overnight
 
 Mostly clear, with a low around 63. Calm wind.
Sunday
 
 Sunny, with a high near 86. Calm wind becoming north northwest around 5 mph in the afternoon.
Sunday Night
 
 Partly cloudy, with a low around 60. North northwest wind around 5 mph becoming calm.
Monday
 
 Sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.
Monday Night
 
 Partly cloudy, with a low around 61. North northeast wind around 5 mph becoming calm.
Tuesday
 
 Sunny, with a high near 87. Calm wind becoming northeast around 5 mph.
Tuesday Night
 
 Partly cloudy, with a low around 64. Calm wind.
Wednesday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph.
Wednesday Night
 
 A chance of showers and thunderstorms. Partly cloudy, with a low around 67. Calm wind. Chance of precipitation is 40%.
Thursday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Thursday Night
 
 Partly cloudy, with a low around 67.
Friday
 
 Mostly sunny, with a high near 88.
Friday Night
 
 Mostly clear, with a low around 66.
Saturday
 
 A 20 percent chance of showers. Sunny, with a high near 89.

 

Forecast from NOAA-NWS for Watertown TN.