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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 pm CDT Sep 28, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 82. North northeast wind around 5 mph.
High: 82 °F		 Tonight

Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 50. Northeast wind around 5 mph becoming calm.
Low: 50 °F		 Tuesday

Tuesday: Areas of fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming northeast around 5 mph.
High: 85 °F		 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 55. Calm wind becoming south southeast around 5 mph.
Low: 55 °F		 Wednesday

Wednesday: Sunny, with a high near 90. South wind 5 to 10 mph.
High: 90 °F		 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 65. South southeast wind around 5 mph.
Low: 65 °F		 Thursday

Thursday: Mostly sunny, with a high near 91. South wind 5 to 10 mph.
High: 91 °F		 Thursday
Night
Thursday Night: Partly cloudy, with a low around 67. South wind around 5 mph.
Low: 67 °F		 Friday

Friday: A 50 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 89. South southwest wind 5 to 10 mph.
High: 89 °F
Sunny

 Clear then
Patchy Fog

 Areas Fog
then Sunny

 Mostly Clear

 Sunny

 Mostly Clear

 Mostly Sunny

 Partly Cloudy

 Slight Chance
Showers then
Chance
Showers

 

This Afternoon
 
 Sunny, with a high near 82. North northeast wind around 5 mph.
Tonight
 
 Patchy fog after 3am. Otherwise, mostly clear, with a low around 50. Northeast wind around 5 mph becoming calm.
Tuesday
 
 Areas of fog before 8am. Otherwise, sunny, with a high near 85. Calm wind becoming northeast around 5 mph.
Tuesday Night
 
 Mostly clear, with a low around 55. Calm wind becoming south southeast around 5 mph.
Wednesday
 
 Sunny, with a high near 90. South wind 5 to 10 mph.
Wednesday Night
 
 Mostly clear, with a low around 65. South southeast wind around 5 mph.
Thursday
 
 Mostly sunny, with a high near 91. South wind 5 to 10 mph.
Thursday Night
 
 Partly cloudy, with a low around 67. South wind around 5 mph.
Friday
 
 A 50 percent chance of showers, mainly after 1pm. Mostly sunny, with a high near 89. South southwest wind 5 to 10 mph.
Friday Night
 
 A 40 percent chance of showers. Mostly cloudy, with a low around 67.
Saturday
 
 Showers likely. Partly sunny, with a high near 82. Chance of precipitation is 60%.
Saturday Night
 
 Showers likely. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Sunday
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Watertown TN.