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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 1:31 pm CDT Jul 5, 2026
 
Tonight

Tonight: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind.
Low: 69 °F		 Monday

Monday: Showers and thunderstorms likely, mainly between 1pm and 5pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 87 °F		 Monday
Night
Monday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind.
Low: 69 °F		 Tuesday

Tuesday: A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Areas of fog before 8am. Otherwise, partly sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 50%.
High: 88 °F		 Tuesday
Night
Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 68. North northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Low: 68 °F		 Wednesday

Wednesday: A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming west northwest around 5 mph in the afternoon.
High: 89 °F		 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 69. Calm wind.
Low: 69 °F		 Thursday

Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph.
High: 92 °F		 Thursday
Night
Thursday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. South southwest wind around 5 mph.
Low: 72 °F
Chance
T-storms then
Patchy Fog

 Chance
T-storms and
Areas Fog
then T-storms
Likely
 Chance
T-storms and
Patchy Fog

 Chance
Showers and
Areas Fog
then Chance
T-storms
 Slight Chance
T-storms and
Patchy Fog

 Patchy Fog
then Slight
Chance
T-storms
 Mostly Clear


 Mostly Sunny
then Slight
Chance
T-storms
 Mostly Clear
then Slight
Chance
T-storms

 

Tonight
 
 A 30 percent chance of showers and thunderstorms, mainly before 10pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind.
Monday
 
 Showers and thunderstorms likely, mainly between 1pm and 5pm. Areas of fog before 8am. Otherwise, partly sunny, with a high near 87. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday Night
 
 A 30 percent chance of showers and thunderstorms, mainly before 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind.
Tuesday
 
 A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 10am, then a chance of showers and thunderstorms after 10am. Areas of fog before 8am. Otherwise, partly sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 50%.
Tuesday Night
 
 A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 68. North northwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Wednesday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming west northwest around 5 mph in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 69. Calm wind.
Thursday
 
 A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 92. Southwest wind 5 to 10 mph.
Thursday Night
 
 A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 72. South southwest wind around 5 mph.
Friday
 
 Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 91. Chance of precipitation is 70%.
Friday Night
 
 Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 71. Chance of precipitation is 70%.
Saturday
 
 Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 88. Chance of precipitation is 70%.
Saturday Night
 
 A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Sunday
 
 A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Watertown TN.