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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 6:01 pm CDT Jul 12, 2026
 
Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 11pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm.
Low: 68 °F		 Monday

Monday: Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. High near 84. Light northeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
High: 84 °F		 Monday
Night
Monday Night: Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 68. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Low: 68 °F		 Tuesday

Tuesday: Showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 85. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%.
High: 85 °F		 Tuesday
Night
Tuesday Night: A chance of thunderstorms before 7pm. Patchy fog before 2am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 68. East wind around 5 mph becoming calm. Chance of precipitation is 30%.
Low: 68 °F		 Wednesday

Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming south around 5 mph.
High: 87 °F		 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 69. Calm wind.
Low: 69 °F		 Thursday

Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming west northwest around 5 mph.
High: 89 °F		 Thursday
Night
Thursday Night: Mostly clear, with a low around 71. Calm wind.
Low: 71 °F
Chance
T-storms and
Patchy Fog
then Patchy
Fog
 Slight Chance
T-storms then
T-storms

 Showers
Likely then
Partly Cloudy

 Partly Sunny
then T-storms
Likely

 Chance
T-storms then
Patchy Fog

 Patchy Fog
then Chance
T-storms

 Partly Cloudy


 Mostly Sunny
then Chance
T-storms

 Mostly Clear

 

Tonight
 
 A 30 percent chance of showers and thunderstorms, mainly before 11pm. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 68. Northwest wind around 5 mph becoming calm.
Monday
 
 Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. High near 84. Light northeast wind increasing to 5 to 10 mph in the morning. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
 
 Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 68. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
 
 Showers and thunderstorms likely between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Mostly sunny, with a high near 85. Calm wind becoming east around 5 mph in the morning. Chance of precipitation is 60%.
Tuesday Night
 
 A chance of thunderstorms before 7pm. Patchy fog before 2am, then patchy fog after 3am. Otherwise, partly cloudy, with a low around 68. East wind around 5 mph becoming calm. Chance of precipitation is 30%.
Wednesday
 
 A 50 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming south around 5 mph.
Wednesday Night
 
 Partly cloudy, with a low around 69. Calm wind.
Thursday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. Calm wind becoming west northwest around 5 mph.
Thursday Night
 
 Mostly clear, with a low around 71. Calm wind.
Friday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Friday Night
 
 Mostly clear, with a low around 70.
Saturday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.
Saturday Night
 
 A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.
Sunday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 90.

 

Forecast from NOAA-NWS for Watertown TN.