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National Weather Service Forecast for: Watertown TN
Issued by: National Weather Service Nashville, TN
Updated: 7:36 pm CDT Jul 6, 2026
 
Tonight

Tonight: Patchy fog before 1am, then patchy fog after 2am. Otherwise, partly cloudy, with a low around 69. Calm wind.
Low: 69 °F		 Tuesday

Tuesday: Showers and thunderstorms likely, mainly between 2pm and 4pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 86. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
High: 86 °F		 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Low: 69 °F		 Wednesday

Wednesday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
High: 88 °F		 Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms before 1am. Patchy fog between 1am and 2am. Otherwise, partly cloudy, with a low around 69. West southwest wind around 5 mph becoming calm.
Low: 69 °F		 Thursday

Thursday: A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
High: 90 °F		 Thursday
Night
Thursday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 72. South southwest wind around 5 mph.
Low: 72 °F		 Friday

Friday: Showers and possibly a thunderstorm. High near 90. Southwest wind around 10 mph. Chance of precipitation is 80%.
High: 90 °F		 Friday
Night
Friday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 71. South southwest wind around 5 mph. Chance of precipitation is 60%.
Low: 71 °F
Patchy Fog


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

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

 Slight Chance
T-storms then
Chance
Showers
 Showers
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T-storms

 Chance
T-storms then
Showers
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Tonight
 
 Patchy fog before 1am, then patchy fog after 2am. Otherwise, partly cloudy, with a low around 69. Calm wind.
Tuesday
 
 Showers and thunderstorms likely, mainly between 2pm and 4pm. Areas of fog before 9am. Otherwise, partly sunny, with a high near 86. Calm wind becoming west northwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
 
 A chance of showers and thunderstorms before 4am, then a slight chance of showers between 4am and 5am. Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 30%.
Wednesday
 
 A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Areas of fog before 8am. Otherwise, mostly sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Wednesday Night
 
 A 30 percent chance of showers and thunderstorms before 1am. Patchy fog between 1am and 2am. Otherwise, partly cloudy, with a low around 69. West southwest wind around 5 mph becoming calm.
Thursday
 
 A chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 90. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Thursday Night
 
 A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly clear, with a low around 72. South southwest wind around 5 mph.
Friday
 
 Showers and possibly a thunderstorm. High near 90. Southwest wind around 10 mph. Chance of precipitation is 80%.
Friday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 71. South southwest wind around 5 mph. Chance of precipitation is 60%.
Saturday
 
 Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 87. Chance of precipitation is 70%.
Saturday Night
 
 Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 70. Chance of precipitation is 60%.
Sunday
 
 Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 60%.
Sunday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Monday
 
 A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

 

Forecast from NOAA-NWS for Watertown TN.