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

Overnight: Mostly cloudy, with a low around 65. North northeast wind around 5 mph.
Low: 65 °F		 Thursday

Thursday: Sunny, with a high near 83. North wind around 5 mph.
High: 83 °F		 Thursday
Night
Thursday Night: Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.
Low: 63 °F		 Friday

Friday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming north northwest around 5 mph in the afternoon.
High: 85 °F		 Friday
Night
Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Calm wind.
Low: 68 °F		 Saturday

Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
High: 86 °F		 Saturday
Night
Saturday Night: A chance of showers and thunderstorms. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%.
Low: 71 °F		 Sunday

Sunday: Mostly sunny, with a high near 89. Calm wind becoming west northwest around 5 mph in the afternoon.
High: 89 °F		 Sunday
Night
Sunday Night: Mostly clear, with a low around 71. Calm wind.
Low: 71 °F
Mostly Cloudy


 Sunny


 Partly Cloudy


 Patchy Fog
then Mostly
Sunny

 Mostly Cloudy
then Chance
T-storms

 Showers
Likely

 Chance
T-storms then
Chance
Showers and
Patchy Fog
 Mostly Sunny


 Mostly Clear

 

Overnight
 
 Mostly cloudy, with a low around 65. North northeast wind around 5 mph.
Thursday
 
 Sunny, with a high near 83. North wind around 5 mph.
Thursday Night
 
 Partly cloudy, with a low around 63. North wind around 5 mph becoming calm in the evening.
Friday
 
 Patchy fog before 7am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming north northwest around 5 mph in the afternoon.
Friday Night
 
 A 40 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Calm wind.
Saturday
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 86. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 70%.
Saturday Night
 
 A chance of showers and thunderstorms. Patchy fog before 3am, then patchy fog after 4am. Otherwise, mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 50%.
Sunday
 
 Mostly sunny, with a high near 89. Calm wind becoming west northwest around 5 mph in the afternoon.
Sunday Night
 
 Mostly clear, with a low around 71. Calm wind.
Monday
 
 Mostly sunny, with a high near 92.
Monday Night
 
 Mostly clear, with a low around 74.
Tuesday
 
 Sunny, with a high near 94.
Tuesday Night
 
 Partly cloudy, with a low around 73.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

 

Forecast from NOAA-NWS for Watertown TN.